![]() Even after germination, make sure they are getting 14 hours of light a day. Begonia seedlings are very slow growing.After germination, grow plants at 70-75☏ during the day and 65-70☏ at night.Seeds will germinate in 15-20 days at 70-75☏.Keep the seed and media moist by using a plastic cover over the seeding tray.Plant on soil surface, do not cover seeds.Follow these guidelines for successful seed propagation: Use a growing media specifically designed for germinating seeds. Protect begonias from high wind environments as they can have fragile foliage and blooms.īegonia Megawatt™ Rose Bronze Leaf, a 2017 Top Ten Performing Annual in the UMN WCROC annual flower trialīegonia seeds can be started indoors about 16 weeks prior to the anticipated outdoor planting date.Keep the soil surface clean to prevent the growth of disease.Stake taller upright varieties to help support the abundant foliage and blooms.Other tips for abundant blooms and healthy plants: Root rot is usually harder to treat as by the time symptoms start to show up, it is too late to cure. Good air circulation will help prevent leaf diseases but, if necessary, they can be treated with a fungicide. Pests are usually not a problem, but fungal diseases are as previously stated. Do not overwater begonias since they are highly susceptible to root rot. After planting, begonias should be fertilized monthly using a fertilizer with a higher phosphorous than nitrogen content to promote new blooms but if the plant is only being grown for its foliage, continue using a balanced fertilizer.īegonias require regular watering and should be watered at the base of the plant, when possible, to avoid fungal leaf diseases such as powdery mildew. The ideal soil pH for begonias is between 5.5 and 6.5.Ī general-purpose fertilizer with equal amounts of Nitrogen, Phosphorous, and Potassium should be incorporated into the soil at the time of planting.To increase the drainage of heavy garden soil, incorporate compost or sand. Make sure that the soil is well drained as begonias are susceptible to root rot.Plants can be transplanted outdoors once the soil temperature reaches at least 60 degrees and should be spaced about a foot apart.They can tolerate morning sun but avoid putting them in a location that receives afternoon sun. Very few cultivars will tolerate full sun so plant them in a shady location.They typically have a more mounding than upright habit.īegonia Whopper® Rose Bronze Foliage, a 2016 Top Ten Performing Annual in the U of MN WCROC annual flower trialīegonias work great for garden beds if they have an upright or mounding habit while trailing or spreading begonias are best for containers or hanging baskets. Rhizomatous begonias grow from underground rhizomes and are grown for their foliage.These cultivars are grown for both their flowers and their foliage and can get quite large, up to several feet tall. Cane begonias have an upright habit with one main stem.Tuberous begonias can have a trailing or an upright habit. This type is typically grown for its flowers and not the foliage. Tuberous begonias are grown from tubers and the tubers can be dug up in the fall and stored in a cool, dry place to plant again the next year.This group of begonias can come in varying growth habits. As the name implies, the leaves have a waxy appearance. Wax begonias, also referred to as semperflorens or fibrous-rooted begonias, are commonly grown for both their foliage and flowers. ![]() There are four main types of begonias: wax, tuberous, cane, rhizomatous. Plants can come in a range of sizes varying anywhere from six to twenty-four inches in height and can have a single stalk, bushy habit, or anything in between. Many newer varieties are grown for both their foliage and flowers. While other hybrids are grown for their flowers, which can be shades of red, pink, white, yellow, or orange. ![]() These plants are grown for their attractive foliage, which often comes in shades of green, brown, bronze or maroon. Many of the cultivars commonly grown for their ornamental value are hybrids of these multitudes of species.īegonias are a forest understory plant, so they are adapted to shadier environments rather than full sun. Begonia x benariensis BIG® Pink Bronze Leaf, a 2019 Top Ten Performing Annual in the UMN WCROC annual flower trialīegonias belong to the genus Begonia, which contains more than two thousand species and are native to tropics all around the world. ![]()
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