It is not always possible to find ready-made seedlings of the desired type, so in this article we decided to tell about all the secrets of growing seedlings: the plan, what favorable conditions to create for her, how to care for grown seedlings. The Petunia bloom throughout the summer and most of its varieties prefer to be grown in full sun. This should be done in early March, some varieties of ampelous flowers are sown in February, as they have a longer growing season. The soil. Anyone familiar with growing petunias from seed that may be able to help? Because of their size, petunia seeds present a challenge, even to experienced gardeners. Several days later a lot of seeds were sprouting. Remove the plastic wrap once the seeds sprout and place the trays under lights in a cooler spot, around 65 F. (18 C.) during the day. The first time a transplant of petunia is carried out 3 weeks after planting seed. Not only are they very tiny and fine, but they also need light in order to germinate. Mulching allows the soil to retain moisture longer and protects the plants during return frosts. If you don’t have the facilities to grow them from seed, young petunia seedlings are available from garden centres and mail order suppliers in late winter/early spring. Now let us consider the more Mature seedlings. 14 years ago. Although petunias are tough and resilient in the garden, they can be very delicate in the first weeks of life. Petunia - a beautiful flower, striking a variety of varieties. During the peak summer, it is better to grow them in partial shade. Here is the quick videos of Transplanting Petunia Seedlings. When you’ve moved your seedlings outdoors or purchased your transplants, you should be sure it’s after your last spring frost. The EPA banned the use of arsenic for consumer/retail in 2003. Petunia prefers slightly acidic or neutral soil. I did the same but by the third or fourth day there were mold spoors growing so I remove the plastic. This is the most popular way to propagate such a plant. Right off the bat it sounds to me like you are doing things the right way, but there may be one thing missing that I don't see mentioned in your question. Important! This is the case if you are growing the Wave, Super Petunias or regular ones. Keep the soil moist but well-drained, and return them to under the lights until it’s time to plant them outside. However, most petunia varieties will bloom throughout the summer, except in extreme heat. Petunias are one of the most popular garden flowers for both borders and containers. It’s easy to over-plant the trays, ending up with dozens of seedlings you don’t need. Not warm enough – seeds and seedlings like warmer temps (from 80-85 F) and will grow more slowly in cooler environments. The growing season of petunia is about 12-14 weeks. Lift out individual plants with a wooden stick or butter knife, and transplant them into potting soil. In order to keep the plants full, bushy and not “stemmy” – you need to clip some of the stems each week. The petunia seeds were very tiny and multiple sprouts are in many of the little planters, but they have just stayed at this size for the past three weeks or so. Ideally, this will start when you buy the plants and take them home, but unfortunately many people are hesitant to clip stems on a plant that looks good. foransd. If you liked the video please do subscribe the channel for watching more videos. I have had great success. Wave petunias were bred to spread. Keep the lights about 6 inches (15 cm.) Seed is planted from late winter to summer and seedlings are available from late winter. In the climate of most of the country, this flower simply will not have time to bloom if it is sown directly in the ground. Place the plants on a shelf and hang the light directly above them. Note to readers: if you purchase something through one of our affiliate links we may earn a commission. Many summer residents have already felt the convenience of growing seedlings in peat tablets. - Sara Running, OSU Extension Master Gardener, Q: I have a few apple and pear trees in West Linn and last year I had some minor bug infestations. Sprinkle them gently on top of the soil, using only a small pinch of seeds. Sign up for our newsletter. If the shrubs are considerably overgrown, you might consider the reshaping a multi-year project. In the north, this is around the first week of March and will be even earlier in more southern states. Happy Gardening ! What's yours? - Anne Schmidt, OSU Extension Master Gardener, Q: We have a boxwood plant that needs to be pruned to reduce its width (it is growing over a path). Dig a good sized planting hole, big enough to easily accommodate the rootball. 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