![]() ![]() I hope that you enjoyed this guide on how to grow petunia plants. Perfect for containers, hanging baskets, or borders, they provide a striking splash of color to any garden setting. Planting is typically done in spring after the risk of frost has passed. Petunia plants thrive in full sun and well-drained soil. They bloom in a variety of vibrant colors, making them popular for their ornamental value. The Petunia plants genus, part of the Solanaceae family, consists of annual or perennial plants renowned for their beautiful trumpet-shaped flowers. They may self-seed, so removing flowers before they set seed can help control their spread. Petunia plants can be removed by pulling up the entire plant. ![]() How do I remove Petunia plants from my garden? While some petunias can self-seed, they are not generally considered invasive in the USA. Is Petunia invasive in the USA, if so in which states? They do best in moderate climates and may require regular watering in hot weather. Petunia plants prefer full sun to light shade and well-drained soil. What is the perfect location to grow Petunia? Some varieties of Petunia emit a sweet fragrance, particularly in the evening. Most garden petunias are hybrids of Petunia axillaris and Petunia integrifolia, bred for a wide variety of colors, patterns, and forms. Which Petunia species are most frequently grown by gardeners? They are excellent for containers, hanging baskets, or as bedding plants. Yes, Petunia is highly popular in gardens and landscaping for their wide variety of vibrant colors and their generous, long-lasting blooms. Do Petunia members make a good garden or landscaping plant? The Petunia genus contains around 20 species of flowering plants. Common Questions How many members does the Petunia genus contain? Most of the Petunias that have colored flowers carry recessive genes, so if you require more plants of the same color it is best to grow them from purchased seeds.Īlternatively allow to self (this will produce mainly white flowered Petunia plants, but some should be the same as the parent). ![]() Towards the end of summer, cut the whole plant back by about half. It is best to deadhead the flowers and tidy up once they have finished flowering. Once flourishing feed with a fertilizer, repeat about a month later. Petunias like to grow in moist ground so keep well watered. Once the young Petunia plants are growing healthily outdoors pinch back the tips this will encourage branching and result in a bushier plant. ![]() Once ready the Petunia seedlings should be spaced about 20 to 25 cm (8 to 10 inches) apart. It usually takes one to three weeks for plants to germinate at a temperature of 21 to 27 degrees centigrade (70 to 80☏). They should be started about ten weeks before they are due to be transplanted in the garden (after the last frost of spring). You may prefer to start off Petunias indoors (this is strongly recommended for hybrids). Ideally the soil that Petunia grows in should have organic matter added at the time of sowing, and be of pH 6 to 7.5. Petunias should be grown in an area of the garden that is sunny or partially shaded, and thrive in a moist soil. Petunia seeds should be sown outdoors on the soil surface after the last frost of spring. Requirements: Full sunlight or light shade. Transplant outdoors following the last frost. Sow Inside: Germination time: one to three weeks. ![]()
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