EVERY YEAR after I get to the candy pea listings within the seed catalogs, I believe: That is the yr, the yr I’ll arrange some helps within the backyard for them, and indulge of their unmatched extravagance of colour and perfume.
Matt Mattus doesn’t hesitate one second, or must assume twice about candy peas ever. They’re all the time on the checklist in his Massachusetts backyard, grown each as minimize flowers and components of beds and borders.
Matt, creator of “Mastering the Artwork of Flower Gardening” (affiliate hyperlink) and likewise of “Mastering the Artwork of Vegetable Gardening,” gardens at his Worcester, Mass., residence. Matt is the third era of his household to reside and backyard there, in the identical home with its two-acre panorama. He’s had a profession as a graphic artist and toy designer at Hasbro for a few years, however for at the very least as lengthy he’s been passionately designing backyard scenes and experimenting with one genus or one other in his backyard and greenhouse, the place he can’t resist the impulse to strive each final species or number of one thing that he can get his fingers on.
Learn alongside as you take heed to the Jan. 8, 2024 version of my public-radio present and podcast utilizing the participant beneath. You possibly can subscribe to all future editions on Apple Podcasts (iTunes) or Spotify (and browse my archive of podcasts right here).
Plus: Remark within the field close to the underside of the web page for an opportunity to win a replica of his flower-gardening guide.

rising candy peas, with matt mattus
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Margaret Roach: So Matt, we must always warn individuals although that they might have a seed-catalog or a plant-catalog purchasing binge in the event that they take heed to you [laughter]. How are you?
Matt Mattus: I’m nice. You make me sound like… I assume I’m extra obsessed than that even. However we all know we’re not alone, proper?
Margaret: No. And out of your Instagram, your widespread Instagram feed, I see your enjoyable experiments and so forth. In a “New York Instances” backyard column we did just lately a couple of vary of annual vines, I launched you as an individual with “a trial gardener’s thoughts,” as a result of apart from having that sturdy design sense I used to be simply talking about, you additionally like to strive a gaggle of vegetation or a genus of vegetation, hands-on your self, proper?
Matt: Proper. I believe possibly that’s the artist in me, that concept of getting a Crayola field of crayons with all these colours, and curiosity. I need to see and recognize all these totally different nuances inside a genus, and even inside a species. So one thing like zinnias or candy peas, or particularly with annual flowers, you’ll be able to develop 10, 15, 20 varieties, aspect by aspect, and that’s all the time attention-grabbing to see that at botanic gardens. So I strive to try this right here.
Margaret: Yeah, I imply it’s attention-grabbing as a result of the descriptions do their greatest to say the distinctions from one to the following, but it surely’s not the identical as attempting it. Plus there’s the variability, or the variable, quite, of “that is my place and that is my circumstances,” and this one would possibly do higher for me than that one, and so forth. I imply, there’s that, too, proper?
Matt: I believe with most annual flowers you see these variations, proper? With morphology, you see the totally different kinds and shapes. Some are brief, some are tall, a few of them have totally different flower sizes. However with candy peas, the variations I believe are principally with colour. I imply, they’ve a extremely wide selection of colour, they usually’re all lovely colours.
Margaret: Proper. You’ve trialed Nicotiana and you’ve got so many lilies. You informed me about you like lilies and also you even I believe form of trialed, what’s it, Salpiglossis?
Matt: Salpiglossis, I do know. Proper.
Margaret: [Laughter.] Can we even develop that? Does anybody even develop Salpiglossis? What number of did you strive?
Matt: I don’t assume anybody grows it anymore. I believe generally it’s a kind of misplaced, forgotten, old school flowers. However I discovered an outdated guide, it was simply from the Thirties, but it surely was in an property gardener’s guide And I noticed that Salpiglossis was grown as a greenhouse plant, so they’d develop annuals within the spring and summer time in greenhouses in England for show in conservatories. So it’s enjoyable to take a look at these outdated books and see possibly that’s how I might develop a few of these. So yeah, I do these experiments, too.
Margaret: Yeah. So with the candy peas, as you defined to me once we did the Instances story, you sort of group them into roughly two classes. And I’m not attempting to say that is the official lineup or no matter. However you form of talked to me in regards to the vintage varieties with considerably smaller flowers and these larger-flowered Spencer varieties, and the way you develop after which additionally use them otherwise in your backyard. So possibly assist us a little bit bit with that, as a result of I don’t assume many people who’re first-timers particularly or might have solely tried one or two candy peas know the vast world of it as a lot.
Matt: I believe even amongst flower farmers or anybody who’s grown candy peas who’ve gone to, let’s say, an internet site that specializes simply in candy pea seed, I believe everybody’s confused with the outdated classifications. There have been like multifloras and grandifloras. I’ve even requested my plant-breeder mates like, “What does that imply?” These are actually old school classification phrases for lots of flowers.
However I imply, principally on the earth of candy peas, grandifloras are something form of earlier than 1907 or 1901, relying on the place you look. That’s when the Spencer varieties, which possibly individuals have seen these listed, the Spencer varieties have been developed in England, and people have been a bigger cut-flower kind, lengthy stems, large flowers. These let’s say 1905, 1907, that occurred. However earlier than that may have been your grandifloras and multifloras, and people are simply old school phrases. Multiflora formally means there’s greater than 4 flowers on a stem, however I don’t assume any of us care about that.
I strive to think about them as old school… Simply two teams: old-fashion[ and then Spencers in our modern world.
Margaret: You use them differently. You create different supports for them and your end product, so to speak, your desire of what they’re going to do for you is different. And how do you use those two types?
Matt: Well, my history of sweet peas goes back to the 1980s. Right out of college, I joined the Sweet Pea Society in England.
Margaret: The Sweet Pea Society? [Laughter.] I had no thought. You forgot to inform me that once we have been doing the Instances story. The Candy Pea Society!
Matt: There may be. You may nonetheless be part of the Candy Pea Society in England. However that’s an incredible supply, a useful resource for sources in England. And for a very long time, the great candy pea varieties might solely be purchased from England, particularly within the Nineteen Eighties and Nineteen Nineties.
Now within the U.S. now we have much better sources, however I nonetheless order some from England, too. However the Candy Pea Society would maintain flower reveals by the twentieth century. And I don’t assume they’re as widespread as they as soon as have been, however that all the time appealed to me, exhibiting; rising for exhibition. And candy peas, like dahlias, are a kind of vegetation that was grown for exhibition in England principally.
In order that appealed to me, and I don’t count on individuals right here to try this, however you possibly can. I imply, you possibly can develop them in these very strict methods the place you restrict them to 1 stem tied to a bamboo cane. They name it the cordon technique. It restricts their progress. So you possibly can get an 18-inch flower stem with a 2-inch flower on it.
Margaret: Wow.
Matt: I appreciated doing that. It’s fiddly, it’s enjoyable to do, and you’ll simply log on and learn how to try this. I nonetheless develop some in that manner with these good, tidy rows of bamboo canes which might be 8 or 10 toes tall [above], and I plant seedlings on these and prepare them. However I additionally wish to develop them within the flower backyard on teepees or on towers of branches, or varied constructions like netting.
Margaret: So with the cordon technique or rising them on the bamboos, you make this assist construction for them and also you tie them up every now and then in order that they actually… I imply, these will not be like morning glories. These will not be twining vines. These want your assist. They maintain on by tendrils, sure? Little delicate tendrils.
Matt: Proper. You’ve grown edible candy peas. Proper?
Margaret: Certain. Certain.
Matt: In order that they have these little swirly grape tendrils that seize on. So that offers us a touch on how one can develop them. So if you wish to be fiddly, and also you need to prepare a candy pea plant for essentially the most extraordinary flowers, you possibly can restrict them by coaching them on a cordon or a bamboo cane, however you would need to tie them. So that you talked about tying them with a string [above]. I’ve to do it each three or 4 days in Could and June. That’s how briskly they develop.
Margaret: To get these long-stemmed, bigger ones, for the cut-flower use. Sure?
Matt: Proper. For that technique, in the event you prohibit all of the aspect progress and also you’re slicing the tendrils off so that they don’t seize the flower buds subsequent to them. The leaves get actually large. They’re as large because the palm of my hand. It’s sort of magical. So it’s enjoyable to have some that manner. Particularly the old school varieties, which have shorter flower stems, I believe they’re greatest simply grown on twigs or branches, like pea brush such as you would develop backyard peas principally, besides no, they’re going to develop quite a bit taller. These are going to develop taller than your backyard peas.
Margaret: Yeah. You confirmed me an image that I believe you stated it was impressed by a clematis rising in an English backyard that you simply had seen. It was nearly like this sort of, they’d taken twiggy pea brush they usually’d sort of made it nearly like a ball of it. They’d bent it; they’d put it within the floor on one aspect after which bent it over and put it within the floor on the opposite aspect and completed the identical in one other course. So made this dome and also you let the old school, the vintage varieties scramble over it.
Matt: Yeah. I believe with lots of vines you possibly can try this. I imply, I take advantage of branches from our birch timber or the trimmings from our hornbeams, which to be sincere, I would trim each different yr, so that they’re fairly lengthy. So within the spring, I make a dome within the backyard, and it might be any top you need. I imply, ours find yourself being possibly 5 toes tall, 4 toes tall, and it’s enjoyable to make these. We would like these craft initiatives within the spring. Proper?
So within the wild, the Lathyrus odoratus, the candy pea, grows on shrubs. So this could be such as you’re mimicking it tumbling over a shrub. I imply, Clematis develop that manner, too. [A twiggy dome at Matt’s with sweet peas just getting started beneath it.]
Margaret: Proper, and so those that you simply’re trying to prepare onto these bamboo canes that cordon technique: These are the Spencer varieties, and people are those that you simply’re turning into these minimize flowers and managing it for the longer stems and the larger flowers and so forth.
However in each instances, wherever we’re going to make use of within the backyard, you begin them… I imply, everyone knows peas, edible peas, are one of many earliest issues that we will put out; they’re cool-season adaptable, or they love the cool season. So do you begin them within the greenhouse, or can we do them below lights for these of us who don’t have a greenhouse? Or do you direct sow them? What do you do with candy peas about when?
Matt: I’ve a greenhouse, so I preserve it cool. It’s a cool greenhouse [above, and in background of garden shot, below], which means it’s simply… I preserve it above freezing, however beneath 45 at night time, and that’s simply what candy pea needs. I believe that’s the largest confusion with individuals beginning candy peas. You’ll see them on-line beginning them below lights, indoors, and that’s not what they need. Consider backyard peas, proper? Once you sow your peas, we all the time sow them in March, or as quickly as the bottom could be labored. Proper?
And it’s the identical with candy peas. The trick with candy pea is to begin with, it’s in all probability totally different for each state within the nation. So you need to discover your individual little window of when you’ll be able to plant them, however right here’s what they need: They need cool or chilly climate. If it’s above 20, you’ll be able to sow them. In the event you’re in Washington State otherwise you’re in zone 7, let’s say 7 to 10, you possibly can sow them within the fall they usually’re going to do exactly root progress.
There are even Cornell research in, I believe round 1910, the place they’d sow them in New England within the fall. And I attempted that below hay, they usually did develop. I imply, they blew the week earlier in June [laughter].
Margaret: So no large headstart, huh?
Matt: No. I imply they produce higher roots, but it surely provides us some suggestions of what they need.
Margaret: So I’m not going to deal with them like I’m treating my tomato seeds inside.
Matt: Yeah.
Margaret: If I’m going to do them inside below lights as a result of I don’t have a greenhouse such as you do. I’d need to decide a cool room and I’d need to ensure that… I imply lots of the newer lights give off much less warmth, which is nice on this case, proper, and that they’re not proper up in opposition to them. I imply, I believe we might begin them indoors, however now we have to watch out to not allow them to stretch out from too little gentle and an excessive amount of heat. Is that the thought?
Matt: Yeah, precisely. I believe candy peas are of a kind of vegetation, they’re form of reverse of tomatoes. I imply, you nailed it. When you have a storage or you have got a sunroom…
Margaret: That’s what I used to be simply enthusiastic about, a sunroom sort of factor. Yeah.
Matt: Yeah. However a lightweight unit in it. I imply, they love, they need actually shiny gentle. So if they need actually shiny gentle and actually cool temperatures, and you can begin them as early as November if you need, if have that situation. In the event you can preserve them at 35 all winter, they’re rising their roots. That’s what lots of flower farmers do. They sow them November, December, January. They need to bulk up at these chilly temperatures, so that they preserve them at 35 to 45, however below actually shiny gentle, and meaning both of their hoophouse or below synthetic lights.
So it’s probably not the place another vegetation we’d develop. However in the event you do have a storage that’s unheated, however it hovers round freezing, you possibly can plant your candy peas proper now.
Margaret: And the opposite factor is you too can begin proper round six or so weeks forward of your set-out date. I assume in our space, the place the final frost date is someday in mid-Could or so, that the set out date just a few weeks earlier than that, the transplant date?
Matt: The choice is… I imply, so there are numerous methods to develop candy peas. So on the simple aspect, you possibly can plant them similar to you do your backyard peas.
Margaret: Direct sow, proper?
Matt: Yeah. So you possibly can try this. I believe the distinction—the good thing about beginning them earlier and chilly—is that they bulk up extra roots they usually would possibly kind extra aspect shoots, and it’s these aspect shoots which might be stronger-growing or extra vigorous than that essential shoot. Why you typically see pinching—we all the time pinch candy peas—however growers might both preserve all of the aspect shoots or take away all however one aspect shoot. However not often does anybody preserve the primary shoot.
Margaret: Oh. Huh.
Matt: So it provides you a a lot stronger stem. With candy peas, it’s all in regards to the roots, proper? So that you would possibly see individuals rising them in bathroom paper tubes, which is O.Ok. in case you have that many bathroom paper tubes, however they need that deep root run. So a deep pot is healthier, a root coach or a deep cell [above]. I imply, you’ll be able to develop them in 4-inch pots if you wish to, however you’ll discover all of the roots are on the backside.
Margaret: That’s an excellent level is that they do, in comparison with a lettuce seedling or one thing, that they don’t need that tiny little cell that’s not very deep.
Matt: You realize what’s attention-grabbing, too, and I’m attempting this yr: Some flower farmers are sowing candy peas together pots, like a 4-inch pot that’s deep, however like 25 seeds in a pot and planting in winter and holding them chilly. In order that they develop very gradual or hardly develop in any respect within the winter, however they’re forming roots. However they transplant actually simply. You possibly can separate them. The roots are very sturdy.
And you’ll separate them so it takes up much less area. So let’s say you don’t have lots of area, however you desire a cut-flower backyard, you plant 25 four-inch pots early within the yr and preserve them in your storage below lights. After which they’re simply barely rising, however they’re forming lots of sturdy roots and lots of leaves which might be nearer collectively and dense. After which separate them, let’s say, in March into particular person pots, after which step by step introduce them open air.
Margaret: Do you have got a few favorites, each of the vintage varieties that I would let scramble up a twiggy assist. If I’m simply getting began with candy peas, I would try this, and I would simply even direct sow them or sow them a month and a half or so forward indoors in a cool, shiny spot and transplant them round a twiggy construction or one thing, or on some netting. Do you have got some favourite old school varieties, the antiques like that, that you simply suggest?
And likewise if I wished to strive coaching the larger-flowered Spencer varieties, do you have got any favorites of people who we needs to be looking out for?
Matt: Yeah, certain. I believe in the event you like perfume and don’t thoughts having smaller flowers, however numerous them, I believe there’s a range referred to as ‘Matucana,’ which is, it’s like an improved choice of the unique wild candy pea. I imply, nobody actually is aware of even what the wild one was [laughter], however that’s in all probability the closest you may get. There’s some notes that say it was grown again within the 1700s, however tremendous aromatic. In order that’s a purple and maroon bicolor, each small flower, possibly a half-inch vast, however that scent will waft throughout your backyard.
In order that’s one thing I develop yearly. I attempt to preserve that within the backyard backyard, however not as a… I imply, you possibly can use it as a minimize flower, however you’d have to chop the entire stem. However I like the colours of candy peas, as a result of they simply have essentially the most lovely vary. Personally, I believe with the watermelon colours, the cotton sweet colours, there’s lots of periwinkle purples, pinks. I attempt to preserve them into two teams. I develop all of the periwinkle blues and pinks as one, after which I develop the hotter colours like cerise and watermelon and coral. I simply don’t just like the darkish purple ones. Personally, they appear to not slot in.
Margaret: Yeah, they’re totally different from both group that you simply simply talked about.
Matt: The colour. Proper?
Margaret: Yeah, they’re totally different. Yeah.
Matt: After which they have been flakes and stripes, which have been actually old school. They have been widespread within the flip of the century. Candy peas have been the preferred minimize flower in 1900.
Margaret: And also you stated flakes, so that they’re nearly like they’re speckled or not variegated precisely. But it surely’s a mottled flower. Yeah?
Matt: Proper. It’s like a purple and white stripe, form of; orange and white stripe. There’s no ruless. However I appreciated these old school ones.
Margaret: And now you talked about pinching. So simply actual fast, I wished to ask, so I’ve bought these seedlings. Let’s say, I began them indoors, and I’m pinching out what the second set of leaves or which set of leaves that kinds. When am I pinching it?
Matt: Yeah, so second or third. In the event you’re rising them below actually shiny lights, so let’s say you do have within the storage they usually’re between 25 and 40, your leaves are nearer collectively, however they kind these two pairs of leaves. I often take the second pair out. I go away only one pair of leaves. What you don’t need is lengthy, spindly vegetation which might be grown heat below lights that you simply by no means pinched, as a result of these actually… They in all probability will develop 24 inches lengthy and should not even bloom.
Margaret: Proper. So that you desire a actually sturdy plant. In a manner it’s counterintuitive, since you assume, oh, I’m letting it develop longer. However really what it’s doing is it’s stretching out, it’s weakening. It’s not going to succeed in its full measurement by letting it…
Matt: Yeah. And I believe in the event you do accidentally, develop them heat they usually’re lengthy and lanky, positively pinch them again. Depart like 3 inches of that spindly stem and hope that stronger aspect… Don’t be afraid to pinch. That’s large takeaway right here.
Margaret: All proper. So: I need to say it’s catalog season [laughter], and also you’re an excellent shopper. I need to ask a few sources or just a few sources the place to get candy pea seed, as a result of I do know Choose Seeds, as an example, has, I don’t know, round 20 varieties or one thing. I don’t know in the event you’ve ever ordered from Swallowtail Backyard Seeds. I see they’ve quite a bit.
Matt: Yeah. Renee’s Backyard.
Margaret: So I don’t find out about your couple of others. Renee’s, O.Ok.
Matt: Sure, Renee’s, and Johnny’s carries some. There’s Floret Flower Farm, after all, which have some nice ones, they save their very own seeds. There’s a brand new one, Candy Pea Gardens from Washington State. I haven’t tried them but.
Margaret: That’s attention-grabbing. I noticed that they moved up from California or one thing, just a few years in the past.
Matt: I’m going to strive them this yr. However I additionally order some from England. I imply, it’s all the time an opportunity now with Brexit and importation guidelines; it’s robust generally to get seed in. However there’s Keith Hammett, a New Zealand breeder who sells on-line. And people are the highest. There’s like three prime candy pea breeders, so positively Keith Hammett is up there. And there’s Owl’s Acre, which is a extremely good one. Roger Parsons, I positively… I in all probability ordered most of mine from Roger Parsons in England.
Margaret: To digress from candy peas: Is there one thing, as a result of you appear to be with this trial gardener’s thoughts, as we stated in the beginning, you’re an individual who likes to know for your self if in a gaggle of vegetation, is that this one’s the perfect or that one’s the perfect for you. Is there some form of holy grail merchandise you’re looking out for this yr; is there one thing new that you simply’re considering of leaping into? Or are you persevering with a trial that you simply’ve completed in earlier years? I imply, what’s Matt Mattus bought us eye on proper now? Inform us the following factor. [Laughter.]
Matt: It’s all the time an extended checklist. I’m interested by Mimulus, the monkey flowers.
Margaret: Oh.
Matt: Yeah, I do know there’s lots of breeding happening at College of Connecticut and there’s just a few, in the event you simply Google, “new breeding Mimulus.” You’ll see the colours and crosses and inter-specifics, even intergenerics, two totally different genuses crossed collectively. I’m interested by these. The previous few years I’ve been beginning these. So I believe I’m interested by these. And in the event you’re at a backyard heart search for Mimulus; you’ll see them. There is perhaps some Confirmed Winners ones, or totally different picks from a number of the large model names that you simply’re beginning to see. And also you won’t know what they’re, however strive them.
Margaret: So monkey flowers, O.Ok. In order that’s one factor that you simply’re looking out for.
Matt: Yeah. Nemesia. There’s lots of breeding happening with these. These are all form of cool-weather annuals you’ll see offered with pansies within the spring.
Margaret: I can’t even bear in mind the widespread identify for that.
Matt: I don’t even know if there may be.
Margaret: I don’t know if it even has one. In order that’s one other one. Yeah. Are all of your houseplants inside proper now or within the greenhouse, they usually’re all…?
Matt: Gosh. Each room is full. Yeah, it’s loopy. Proper [laughter]?
Margaret: I do know. My fancy-leaf begonias, and I do know you have got quite a bit and also you sort of use them open air as nearly like annuals as effectively within the backyard season. Mine are mad at me this yr, and I don’t know what it’s. I really feel like all of the vegetation even know that the climate is upside-down; even indoor vegetation know that the climate is upside-down. It’s only a bizarre yr. That’s topic for an additional time.
Matt: Begonias is one other factor. I’ll say, they do pout after they are available.
Margaret: They do. Yeah.
Matt: And simply discover a room the place they might go semi-dormant.
Margaret: Yeah, they need to return out within the humidity [laughter].
Matt: You possibly can’t blame them. Proper?
Margaret: I do know. Effectively, thanks for making time. Matt Mattus, I hope I’ll discuss to you once more quickly. And glad seed catalog purchasing meantime [laughter].
Matt: Thanks, Margaret.
(Images all from Matt Mattus, used with permission.)
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