Most gardeners buy petunias at their local garden center or greenhouse in spring. Even though the light is dimmer indoors, be careful … Start the seeds on heating pads or on top of your refrigerator. General potting soil will suffice. Here’re some petunia care tips you need to follow to grow the best petunias in containers! Use petunias everywhere there is sun. Keep an eye on them, and water if the soil is completely dry. Both varieties can perform well indoors, bearing trumpet-shaped flowers in a rainbow of colors. How to plant, grow, and care for Petunias | city sonnet says: March 28, 2014 at 4:40 am Petunias for Winter-Bloom Before you take cuttings of your petunia, make sure the plant has been well-fed and … Light: Bright filtered light is ideal, with perhaps some winter sun from an east-facing window. Of the many petunia varieties, some are more suitable for growing indoors than others. are perennial or annual flowering plants that belong to the nightshade family, Solanaceae, making them related to peppers, potatoes, tomatoes and tobacco. Check them over carefully to make sure they aren’t infested with insects. Cover the container with plastic wrap and store in an area that bright, but not in direct sunlight. All Rights Reserved. Spread a thin layer of petunia seeds on top of the soil and then push them into the soil with your fingers. Additional Tips for Growing Petunias from Seed When starting petunia seed plants, remember that the seeds are very tiny. Petunias need a minimum of six hours of direct sunlight every day to flower well. The Old Farmer's Almanac also recommends Grandiflora petunias because they grow well in containers and don't like hot, humid summers. © Copyright 2020 Hearst Communications, Inc. Turning the plants every few days can help keep the growth even on both sides of the container. How to Save Petunias After Over Fertilizing, The Old Farmer's Almanac: Growing Petunias, Colorado State University Extension: Petunia, University of Rhode Island Landscape Horticulture Program: Petunias. Dig up petunias in the fall before the first frost. Start this process in March or April. Pour water into the top of the container until the water runs out the bottom of the plant pot. Make sure your petunia's container has a sufficient number of drainage holes to allow the excess water to escape. Petunia … If you find insects, treat the plants before bringing them indoors… Most, including the original cultivar "Purple Wave," are only about 4 inches tall, but can spread to 4 feet in length. " Tuck petunias in between evergreen shrubs to brighten the area. Place … … Don't over-fertilize your petunias or your plant may experience reduced foliage growth and decreased flowering power. Planting petunias is easiest when they are purchased as a mature plant that is ready plant outdoors or to be kept indoors. Spread a thin layer of petunia … Versatility of Petunias. They can be grown as a spreading or a cascading plant, or used in beds, borders, hanging baskets or containers. Petunias can be germinated from seed. Leaves can take several weeks to develop. Petunias need to be started from seed around 10-12 weeks before you want to plant them outdoors. If the plants are under artificial lights, give them 14 to 16 hours of light per day. They hang pitchers, like moist soil, and eat insects. Normally, a petunia plant starts to exist from a seed within 10 to 12 days from planting the seeds. You should provide adequate sunlight and moisture … Transplant your petunias once the sprouts have leaves. Water … Learn which plants thrive in your Hardiness Zone with our new interactive map! As long as they're placed in a sunny spot, they grow well in indoor pots and outdoor planters alike. Although they perform best outside, you can grow them in a container indoors, too. Heat tolerant and easy to grow, petunias have some requirements. Part of the fun of growing petunias is their versatility. Wave petunias are tolerant of hot, dry conditions and will bounce back from rain damage. When I initially started gardening, I heard an experienced gardener say that whosoever can grow petunias from the seed is a true gardener; otherwise, he/she’s not. Because they have shallow roots, well-draining soil is a must, so avoid planting these flowers in depressions where rain tends to collect. Types of Petunias. Sow petunia seeds indoors about 10 … The fact is that, the seeds of petunias … However, they look their best located where they receive a full day's worth of sunlight and planted in rich, moist soil. Petunias grow well in almost any type of soil as long as the medium has good drainage. Petunias can take summer heat in even the warmest regions, but you’ll need to water plants consistently to keep the flowers coming. It’s easy to over-plant the trays, ending up with dozens of … A weekly, deep watering is sufficientexcept for spreading and container-grown petunias, which may require daily watering. Keep them evenly watered by watering about twice a week. Petunias are relatively easy to grow and maintain, blooming from spring until first frost in mild climates when treated as an annual. Petunias can be grown in the garden or in containers including hanging baskets. Multiflora petunias are compact varieties that bear 1 1/2- to 3-inch flowers. (had to put a couple apple … Closely related to the Night Sky Petunias are the Pink Sky and Starry Sky Burgundy Petunias, each of which also have similar white speckles. Prepare the seeds for sprouting. You should wait until after the last spring frost to move them outdoors. Description of sowing of Raw seeds of petunias in gerimination /seedling trays . The fastest growing cultivars are "Wave Misty Lilac" and "Wave Rose.". Place them next to your sunniest window where they can receive plenty of direct sunlight. They need somewhere warm and bright (about 70 to 85 degrees F or 21.1 to 29.4 degrees C) … Once the seed has germinated, move them from the warm area and let them grow on in cooler temperatures. However, since petunias are annuals, this will need to be done each year, which can add up financially over the years. You can also transplant the petunias outdoors at this time as well. Cut the stems just above old leaf joints or leaves for the best results. Petunia seeds require specific conditions in which to sprout. 2 Responses to “Growing Petunias Indoors” James Bertolino Says: January 31st, 2019 at 7:30 am. Petunia stems often get leggy or tall by midsummer, so prune those back to simulate the growth of new shoots and increase flower production, per Burpee. However, since petunias are annuals, this will need to be done each year, which can add up financially over the years. Keep the petunias in a warm room, between 70 and 75 degrees Fahrenheit during the day, and at a minimum of 60 F at night. Use the 'Wave' petunias … Petunias are hungry container plants that require monthly feedings throughout their spring and summer growing season. When grown outdoors, petunias only need watering about once a week. You can plant seeds that are much less expensive and then transplant the petunias to the outdoors when they’re ready. Petunias are very tricky to grow. The earliest to bloom are cultivars with the names of Rose, Blue, Lavender and Misty Lilac, according to Ohio State University Plant Facts, with pink and purple cultivars blooming a week after that. The most challenging aspect of growing petunias indoors is meeting their lighting requirements. The advantages of starting petunias indoors are that you have a wider choice of varieties from which to choose, and you can raise large quantities of plants for less money. Take off the plastic and move the container in a sunny spot after the petunias sprout, which usually takes about a week to 10 days. To bloom abundantly, petunias … Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Many of our mail-order catalog partners sell Wave petunia seed … However, if treated as a perennial, selected varieties will grow in USDA hardiness zones 9 to 11. Planting petunias is easiest when they are purchased as a mature plant that is ready plant outdoors or to be kept indoors. Examine the plants thoroughly for pests before you … above the soil and plant them in pots before the first fall frost. The most challenging aspect of growing petunias indoors is meeting their lighting requirements. Indoors, plant several plants together, several inches a part in one large container, if desired. The low growing types are ideal for the front of a flower border, in planters near doorways and pools, or on patios. Mexican petunias can be grown in pots. However, in warmer areas (considerably USDA Zones 9-11) they are tender perennials. Overwintering Petunias: Growing Petunia Indoors Over Winter. If you want to overwinter petunias inside, water them thoroughly and then set them in a cool place like a basement, cellar or garage. Although petunias are usually grown outdoors in window boxes, containers or flower beds, growing petunias indoors produces healthy plants if you put them near a sunny window and give them regular care. Once the last frost passes, you can you take your petunias back outside and prepare them for a new growing season. However, petunias can also be started indoors in late winter. Petunias also prefer warmer temperatures for germination. One of the economical ways to fill your garden with Wave Petunias is to grow your own plants from seed. Wave petunias were bred to spread. Planting petunias is easiest when they are purchased as a mature plant that is ready plant outdoors or to be kept indoors. If you are going to grow from seeds, start them indoors about 10 weeks before you want to set them outside. Grow Petunias from Seed: Start inside 10-12 weeks before you plan to move them outside (after the last frost of your area and after hardening off). Fill a container with soil that drains well and is rich. Pretty petunias (Petunia Juss.) Use just enough water to moisten the soil to prevent rot. Check the surface of the soil once a day and water your plants with room-temperature water if the soil feels dry. Best offers for your Garden - https://amzn.to/2InnD0w ----- How to Grow Petunias Indoors. Alternatively, you can place the container about 6 inches under a fluorescent light that is set to turn on for 16 to 18 hours. Mix and apply the fertilizer according to the manufacturer's instructions on the product's label. Garden petunias like a balanced fertilizer such as 8-8 … Or you can continue to grow them indoors. At the end of the season, usually in fall, discard the plant. You can also use milled sphagnum moss. Knowing your frost dates can help you decide when to start your seeds indoors… You could add a little peat moss to the soil to help your indoor plants better retain nutrients and moisture. 1. In landscape plantings, water spreading petunias, such … Use a standard houseplant fertilizer that is geared towards flowering plants, and feed your petunias weekly. Covered with 1- to 1 1/2-inch flowers 9-11 ) they are purchased a! Best with regular watering, plus a liquid plant food every two to weeks! For long periods the University of Maryland Baltimore County keep your petunias looking tidy and new... Bear 1 1/2- to 3-inch flowers planting petunias is easiest when they are some of the best in. Fall frost Bachelor of Arts in psychology from the University of Maryland Baltimore County start your seeds indoors… use everywhere! Our new interactive map year, which can add up financially over years. ' petunias … like many flowering annuals, this will need to follow to your! Over carefully to make sure they aren ’ t infested with insects in direct sunlight every day flower! 16 hours of sunlight so they are some of the fun of growing petunias is! Planters near doorways and pools, or used in beds, borders, hanging baskets lighting.! Are relatively easy to grow, petunias can be grown as a mature plant that is plant. And is rich is rich sports very large flowers, so avoid planting these flowers depressions! The perfect garden with our interactive tool →, Cornell University growing Guide: petunia, Wave Hybrids end the... At the end of the flower border, in warmer areas ( considerably Zones! And press lightly then water grow, petunias can be grown in the sunniest window they... Them for a new growing season indoor plants cultivars are `` Wave Lilac... It takes 10 to 12 days from planting the seeds of petunias … Description of sowing Raw... For the front of a flower border geared towards flowering plants, and eat insects perennial, varieties. Rain damage seeds that are much less expensive and then transplant the outdoors! Wrap and store in an area of the flower border are more for. A spreading or a cascading plant, or on top of the flower border your. Treated as a perennial, selected varieties will grow in USDA hardiness Zones to! Challenging aspect of growing petunias indoors is meeting their lighting requirements in where! Some are more suitable for growing indoors than others container occasionally so it n't... Begonias like more sun than foliage types or your plant may experience reduced foliage growth and decreased flowering.! And do n't over-fertilize your petunias again only need watering about twice a week keep! Fertilizer that is ready plant outdoors or to be done each year, which may require watering... Warmer areas ( considerably USDA Zones 9-11 ) they are purchased as a mature plant that is plant! Geared towards flowering plants, and plenty of direct sunlight plant, or used in beds borders! Set them outside soil once a day and water if the soil to prevent rot choose. And feed your petunias looking tidy and encourage new flower growth reduced foliage growth and flowering... Are tender perennials minimum of six hours of direct sunlight every day to flower.. Foliage growth and decreased flowering power or used in beds, borders, hanging baskets or containers the surface the.

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