September in Arizona’s low desert alerts the shift from summer season’s intense warmth to barely milder days, making it an excellent time to refresh your backyard. The solar’s angle is altering and reducing. Whereas the temperatures are nonetheless heat, the cooler mornings and evenings present an ideal window for starting the transition into fall and winter planting.
On this article, we’ll discover what to plant and the potential harvests in September. The low desert contains elevations beneath 3500 ft within the Southwest, such because the Phoenix and Tucson metro areas.

Article Define:
What to Do Earlier than You Plant Throughout September in Arizona
As you determine what to plant in September (and upcoming months) in your low desert backyard, take into consideration what you get pleasure from rising essentially the most—which cool-season crops do you most stay up for within the backyard? Which meals style finest from the backyard? What do you like having quick access to? Mid-September and October are prime cool-season planting months.


Put together beds for planting (this put up tells you ways). Add compost, worm castings, and different natural matter to the soil.
In the event you’re not going to plant for at the least a month, then plant a final spherical of canopy crops–black-eyed peas early within the month or buckwheat later within the month. The crops don’t should get very giant earlier than they’re chopped and used as natural matter to learn your soil.
In case your backyard hasn’t been rising properly, contemplate having your soil examined. I take advantage of this take a look at equipment from Amazon. Primarily based on the soil take a look at, add a balanced fertilizer if wanted.
Take time to harden off your seedlings appropriately to allow them to regulate to the warmth. Study extra on this article.
Present further shade and water for brand new plantings.
Need extra details about gardening in Arizona? This weblog put up shares seven ideas for find out how to develop a vegetable backyard in Arizona.
What Can You Harvest in September within the Low Desert of Arizona?


Many warm-season crops shine in September, with barely cooler and shorter days. Okra and luffa, specifically, are productive. Hold okra harvested to maintain it producing. Luffa might be eaten when harvested very younger, however you’re in all probability rising it for the sponges it produces. These can take a number of extra months to completely develop, be affected person!
We are able to backyard year-round right here within the low desert, and it appears there may be all the time one thing to plant and harvest. In the event you’re following my planting information, listed below are among the greens you is likely to be harvesting throughout September. I’d love so that you can go away a remark and let me know what you’re harvesting proper now.
(click on on the hyperlink to learn “Methods to Develop” articles about every crop)
Greens:
Amaranth, Armenian Cucumbers, Asparagus Beans, Beans, Borlotti Beans, Butternut Squash, Cucumbers, Edamame, Eggplant, Malabar spinach, Okra, Peanuts, Peppers, Sesame, Sunflower Seeds, Summer season Squash, Tomatillos, Tomatoes, Winter Squash
Herbs:
Basil, Lemongrass, Oregano, Sage, Stevia, Rosemary, Thyme
Fruit:
Cantaloupe, Chichiquelite, Figs, Floor Cherries, Watermelon


What’s in Bloom in September within the Low Desert of Arizona?
September marks a transition within the backyard, as summer season’s vibrant blooms proceed whereas the primary fall flowers begin to make their look, including new coloration and texture to the panorama.
(Click on on the hyperlink for every flower’s “Methods to Develop” weblog put up.)
Potential blooms this month embrace amaranth, angelonia, basil, celosia, coreopsis, cosmos, four-o-clock, gaillardia, garlic chives, gazania, gomphrena, lisianthus, luffa, mahogany splendor hibiscus, portulaca, purple hyacinth bean vine, roselle hibiscus, rudbeckia, salvia, statice, sulfur cosmos, sunflower, tithonia, verbena, vinca, and zinnia.


What to Plant Outdoors in September within the Low Desert: Greens, Herbs & Fruit
(Click on the hyperlink to learn “Methods to Develop” articles on my web site.)
All month lengthy:
After September 15 (or when nighttime temps start to drop)
SEED, TRANSPLANT, OR BOTH? S = Seed / T= Transplant


Arizona Vegetable Planting Information helps you be taught when to plant greens within the low desert of Arizona and whether or not to plant seeds or transplants.


Which Seeds to Begin Indoors in September: Greens, Herbs & Fruit
(Click on the hyperlink for seed sources)
Right here’s a hyperlink to my favourite seed-starting provides on Amazon.


Flowers to Plant Outdoors in September in The Low Desert
(Click on the hyperlink to learn “Methods to Develop” articles on my web site.)
All month lengthy:
Child’s Breath (ST)
Begonia (T)
Bells of Eire (S)
Dianthus (T)
After September 15 (or when nighttime temps start to drop):
SEED, TRANSPLANT, OR BOTH? S = Seed / T= Transplant


Flower Seeds to Begin Indoors in September
(Click on the hyperlink for seed sources)


Arizona Annual Flowers Planting Calendar helps you be taught when to plant flowers in Arizona and whether or not to plant seeds or transplants.