![]() You’ll have bloom-ready petunias as soon as the frost leaves, first thing next spring. Transfer the pots to shelves with grow lights and grow them throughout the winter. Once all the leaves have stems, transplant them into individual small pots. After this time, gently pull on one leaf to see if roots have begun to grow on the stem underground. Place the tray in a cool, dark place for about three weeks. Plant all the leaves in the same manner, keeping about 2 inches (5 cm.) between each one. Push the soil around the stem to hold it in place. Make a hole in the soil mix with a pencil and place the powdered stem in the hole. ![]() Wrap the leaves in a damp paper towel until you can bring them inside to plant.ĭip the end of each leaf into rooting hormone powder. Fill a flat with the mixture and mist it to moisten it all the way through.Ĭlip leaves from the tops of the petunia plants, making sure you collect soft, flexible examples instead of older, woody types. Make a mix of equal parts peat moss, sand, and plant food. Rooting petunia flowers is very simple as long as you prepare correctly. Take cuttings from the plant in the fall before frost arrives. You’ll be making exact clones of these plants, so choose the ones with compact growth and bright, big flowers in colors you love. How to root petunia plants? The best way is to begin with the absolute best example of the plant you have in your garden. The way to grow more plants for next year’s garden is by rooting petunia cuttings. ![]() Second, if the petunias you grow and care for are hybrid varieties, the seeds you collect won’t breed true the next year. If you want to propagate petunia to grow the same type next year, there are a couple of problems with simply saving the seeds and planting them next year.įirst, if you live in the northern half of the country, it may be the middle of summer before you see any blooms on your petunia plants. What about taking petunia cuttings? Learn how to start petunias from cuttings to create dozens of new plants that are clones of the original and that will guarantee blooms earlier than any of your neighbors. How many Tidal Wave petunias are in a hanging basket If you put wave petunias in your basket, you can get away with just one plant per hanging basket, but many will plant three to really get a nice display. They’re sturdy, reliable flowers for borders, planters, and hanging gardens. Apply a liquid fertilizer every 1-2 weeks or use a time-release fertilizer at planting time.Most flower gardeners are familiar with growing petunias from seed. When growing petunias in the ground amend the soil with compost before planting. During the heat of summer, they will need to be watered a few times a week. This will keep the plants blooming all season long. Since 1995, I’ve used more than a dozen Wave types and colors successfully in beds, containers, and mixed planters. Tidal Wave Silver Easy Wave:The Easy Wave variations will grow like Wave series, but a bit more restrained and with less spread. Jim Janke photo Wave® is the most popular petunia family, both for nursery plant sales in spring and seed sales from catalogs. It is a great variety to try if you want a climbing petunia. Uses: Flower beds, containers, hanging baskets, or window boxesĬare: When grown in containers petunias need to be fertilized and watered regularly. ENJOY THE BLOOMS Pictured are Tidal Wave ‘Red Velour’ petunias, blooming in late June. Sowing Outdoors: We do not recommend starting petunia seeds outdoorsĪpproximate days to flower from seed: 90-100 days Water seedlings regularly until established. Transplant after the last frost, 12-28" apart. Starting Indoors: Start indoors 8-10 weeks before the last frost. Stage your plants in the hanging basket how you would like them. You can turn the container upside down as you do this to get gravity on your side. Seed Planting Depth: Sow on surface and press into soil Pull the Wave petunia plants from their pack or pot by squeezing the bottom of the container and gently pulling the plant out. Germination Temperature: Optimum soil temperatures 70-80✯. Neither pinching nor pruning is required to produce flowers all season. While most of you will grow this variety in a container, they can grow to a height of 3 feet if provided with a trellis. This variety has a particularly nice aroma in the evening. The silvery-white blooms with dark purple centers are truly distinctive, highlighted by deep purple veins.
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