Do you know {that a} watermelon is botanically thought to be a vegetable? I do know it sounds made up as a result of it’s usually consumed as a fruit. However in actuality, it belongs to the pumpkin household (Cucurbitaceae).
All that apart, the watermelon (Citrullus lanatus) is an annual, herbaceous plant with creeping or climbing tendrils that most individuals image sprawling throughout a sunny area, their vines wandering far and extensive.
In any case, that is how they have been grown for 1000’s of years. Actually, watermelons originated in Africa and have been cultivated for over 4,000 years. But at the moment, gardeners are proving that these big fruits do not want acres of area to thrive.
A sturdy container, a sunny nook, and a vertical help system can flip even a small patio or balcony right into a surprisingly productive watermelon patch.
Plus, rising watermelons vertically has its personal perks. As an illustration, it saves area, improves air circulation, makes harvesting simpler, and retains fruits cleaner by lifting them off the soil.
If you happen to’ve been dreaming about harvesting your personal candy watermelon however do not have room for a conventional backyard, this step-by-step information will stroll you thru every little thing it’s worthwhile to know.
13 Steps for Rising Watermelon in Containers Vertically
Step 1: Select the Proper Watermelon Selection
Picture: SeedSaversExchange
Not each watermelon is appropriate for container rising or vertical gardening. Some varieties produce fruits weighing 20 kilos or extra, which may put super stress on trellises.
Due to this fact, it’s necessary to decide on smaller cultivars which might be a lot simpler to handle.
Search for compact watermelon varieties comparable to Sugar Child, Bush Sugar Child, Golden Midget, Mini Love, Blacktail Mountain, and Little Darling.
These varieties usually produce fruits weighing between 4 and 10 kilos, making them excellent candidates for vertical help techniques.
Step 2: Choose a Massive Container
Watermelon vines might develop upward, however their roots nonetheless want room to unfold.
A typical false impression is that container gardening means utilizing small pots. Watermelons respect beneficiant root area, and proscribing roots usually results in poor development and undersized fruit.
Select a container that holds at the very least 15 to twenty gallons of soil. If you must err, err on the bigger aspect.
Half-barrels, cloth develop baggage, massive plastic pots, and raised planters all work effectively. Purpose for a minimal depth of 18 inches. Except for the pot dimension, you must take note of drainage, particularly whether or not the pot has holes.
Watermelons dislike soggy roots. Extra water ought to drain freely slightly than pooling on the backside of the container.
Step 3: Use Excessive-High quality Potting Combine
Sugar Child Watermelon in a Pot
Good soil could make the distinction between a struggling vine and a productive one.
Keep away from filling containers with abnormal backyard soil. It tends to compact in pots, decreasing drainage and oxygen across the roots.
As an alternative, use a high-quality potting combine enriched with natural matter.
A easy mix may embrace:
High quality potting mixCompostCoconut coir or peat mossPerlite for drainage
The completed combination ought to really feel mild, ethereal, and moisture-retentive with out changing into waterlogged. Watermelons are heavy feeders, so mixing compost into the soil from the start gives a slow-release nutrient increase.
Step 4: Construct a Sturdy Trellis

That is the spine of your entire venture as a result of whereas watermelon vines might not appear heavy at first, mature crops carrying fruit can develop into surprisingly weighty.
A flimsy help usually begins leaning on the precise second you want it most.
Select a sturdy construction comparable to: Cattle panel trellis, Wood A-frame trellis, Metallic Backyard arch, or Bolstered wire mesh panel.
The trellis ought to stand at the very least 5 to six ft tall and be securely anchored.
Earlier than planting, set up the help system. Attempting so as to add a trellis later can injury roots and disturb rising vines.
Step 5: Plant Seeds or Seedlings
Picture: The Seed Assortment
Watermelons thrive in heat soil. In case your rising season is lengthy, direct sowing works superbly. Plant two or three seeds about 1 inch deep close to the middle of the container.
As soon as seedlings develop their first true leaves, skinny them to the strongest plant.
If you happen to’re beginning with nursery transplants, fastidiously place the seedling on the identical depth it was rising in its authentic container.
After planting, water totally so the soil settles across the roots, making certain that you just get rid of air pockets and encourage fast institution.
Step 6: Place the Container in Full Solar
These fruits, or slightly veggies, like heat and moisture. Chilly and moist intervals can convey development to a standstill and even trigger the fruit to drop.
The extra daylight they obtain, the sweeter the fruit usually turns into. Due to this fact, it’s a superb follow to intention for at the very least 8 hours of direct daylight every day. Ten or extra hours is even higher.
A south-facing patio, deck, or backyard space normally gives glorious situations. Keep in mind that if daylight is restricted, vines might survive, however fruit manufacturing usually suffers, which defeats the entire objective.
Step 7: Prepare the Vines Upward
Picture: Ample Mini Gardens
As soon as vines start extending, gently information them towards the trellis.
Many gardeners are shocked by how cooperative watermelon vines may be. Their tendrils naturally search help and wrap round close by buildings.
At first, it’s possible you’ll must loosely tie stems utilizing smooth backyard ties, material strips, or plant clips. You need to keep away from tying too tightly, although. It’s because the stems proceed increasing as they develop, and constricting them may cause injury.
Examine the vines each few days and redirect wandering development again towards the trellis.
Step 8: Water Persistently
As a basic commentary, container-grown crops dry out a lot sooner than these planted within the floor. Therefore, throughout sizzling climate, every day watering could also be crucial, making certain that the soil stays evenly moist however not saturated.
Deep watering encourages stronger root techniques and more healthy vines. Inconsistent moisture can result in poor fruit improvement, cracking, or lowered sweetness.
A layer of mulch on high of the soil helps gradual evaporation, thus retaining moisture for longer and preserving roots cooler throughout summer time warmth.
Right here’s the way to water potted crops and preserve them pleased.
Step 9: Fertilize All through the Season
Ample fertilizer software is necessary as a result of the plant invests super vitality into producing lengthy vines, flowers, and ultimately massive fruits.
You need to begin with a balanced slow-release fertilizer throughout early development.
As soon as flowers start showing, swap to a fertilizer that is barely decrease in nitrogen and better in phosphorus and potassium to help reproductive improvement. An excessive amount of nitrogen encourages leafy development on the expense of fruit manufacturing.
The rule of thumb is to use diluted liquid fertilizer each two to 3 weeks all through the rising season.
Step 10: Assist Growing Fruits

Think about watermelon crops rising in a big area, every with big fruits. The one purpose they don’t stain the vines is that the bottom is supporting them.
When rising them in restricted containers, we don’t have that luxurious. And not using a correct mechanism, the fruits will definitely fall off the trellis.
Happily, with a little bit of creativity, you may remedy that conundrum.
To try this, as melons start to enlarge, create slings to help their weight. Previous T-shirts, mesh produce baggage, nylon stockings, and smooth cloth all work effectively.
Connect the sling securely to the trellis whereas permitting room for the fruit to develop and relaxation within the sling. The sling acts like a hammock, cradling the watermelon because it grows. With out help, bigger fruits might pressure the vine or break free prematurely.
Step 11: Encourage Pollination
Pollination is a crucial side with regards to rising watermelons efficiently. That is the place an abundance of pollinators performs a vital function.
Bees usually deal with the job superbly, shifting pollen from male flowers to feminine flowers. If pollinator exercise appears low, hand pollination can enhance fruit set. So, use a small paintbrush or cotton swab to switch pollen from male flowers to feminine flowers.
Feminine flowers are simple to establish as a result of they’ve a tiny child watermelon straight behind the bloom.
You’ll be able to hand-pollinate in your free time as a technique to unwind out of your busy schedule in order that it doesn’t really feel like a boring chore.
Step 12: Pests and Illnesses
Watermelon Gummy Stem Blight
Essentially the most devastating illnesses affecting watermelons, comparable to Fusarium and Phytophthora, are sometimes brought on by soil-borne pathogens. Fortunately, selecting the right combination mentioned in step 3 saves us the difficulty of getting to cope with these illnesses.
Moreover, most container-grown crops are nearly pest-free typically. Widespread ones embrace thrips, whiteflies, squash bugs, aphids, flea beetles, and leaf miners. Nevertheless, it’s worthwhile to listen simply in case it’s worthwhile to take motion.
As an illustration, powdery mildew can develop throughout humid climate, particularly when airflow is restricted. Vertical rising already helps cut back this threat, however spacing crops correctly and avoiding overhead watering present further safety.
Additionally, be careful for anthracnose and gummy stem blight, which seem as lesions on leaves which might be amorphous, darkish, and will seem water-soaked.
In case you need to dive deeper into frequent illnesses and the way to establish them, right here’s a complete information.
Step 13: Harvesting
Picture: HGTV
Not like different fruits or greens, comparable to tomatoes, watermelons do not proceed ripening after harvest. Due to this fact, a number of clues may help decide readiness.
The tendril closest to the fruit usually turns brown and dries up. The underside of the melon modifications from pale white to creamy yellow. The fruit additionally develops a duller look in comparison with its shiny immature stage.
You may as well pay attention for a deeper, hole sound when gently tapping the melon. Harvesting on the proper second rewards you with the sweetness you have been ready months to get pleasure from.
For sure, harvesting on the proper second will decide the standard of your produce.
Conclusion
One factor I’ve come to study and respect is that you could develop nearly any plant in containers and so they’ll thrive.
And the watermelon shouldn’t be an exception.
You simply want a couple of suggestions and methods up your sleeve, and also you’ll be in your technique to rising juicy and engaging watermelons.
If you happen to discovered this information useful, please share it with fellow gardeners on Fb and reserve it to Pinterest so you may come again to it when watermelon planting season arrives.














