(Dixie Queen, Orange Tender sweet, and Tsilnolystyy) are med/larg. When trellising melons, tie vines to the trellis daily, using soft plant ties that won’t crush stems. Faster growing species will require more frequent trimming. I’m growing around 15 watermelon plants but they are in the ground so they don’t like to be pruned. Trim the main vine when it is 10-15 feet long when measured from the center of the plant. If this plant receives too much sun, the sunlight can fade the colors of its leaves. When you grow watermelons in this fashion, be sure to prune the watermelon plants … Most good garden centres will also sell young melon plants. Tomatoes are not one of those plants that require pruning or deadheading in order to thrive, but shrewd pruning can improve the quality of the fruit you harvest. If this plant is indoors, keep it in a room next to a big full window that away from direct sunlight. Some controversy exists over whether or not tomato plants should be pruned, and the reality is that if you don't, it will not cause problems. Should I try to thin the plants (remove or cut off one or more from the mound)? Watering is very important—from planting until fruit begins to form. While melon plants are growing, blooming, and setting fruit, they need 1 to 2 inches of water per week. Gradually harden off the plants, acclimatising them to outdoor conditions, for 10-14 days, if planting outdoors. If you are growing smaller varieties, you can leave four to six developing watermelons on the plant. How to Grow Watermelons. Tertiary vines (those that grow off the runners) should be trimmed as soon as you see them appear. A trellis for cantaloupe should be large: up to 8 feet tall and 20 feet wide in warmest climates. but was going to say people don’t need to restrict them self’s with small variety watermelon to be a successful watermelon grower! Now, let’s talk about how to trim your pumpkin plants. Be sure to cut out any damaged or dead roots and stems, or stems that have minds of their own and appear determined to grow into the neighbor's yard rather than up your trellis. It does best in bright indirect light. Space plants 36 to 42 inches apart. On the other hand, don’t over-water the plants, or the melons could rot. Or, to save space, plant melons 12 inches apart at the base of a trellis. Once 3 or 4 true leaves (after the rounded seed leaves) have formed, you can remove the plants from the propagator and grow on at 18-20°C (68-70°F). Usually every few days is sufficient but it depends on your climate. The watermelon peperomia should not be in direct sunlight. Gardeners who are short on garden space sometimes opt to grow watermelons on trellis systems. A privet plant grows at 10 times the rate of a boxwood. Prune the tips of the secondary runners when they are about 8-10 feet long. Melon plants need about 1-2 inches of water a week.