Transfer this arrangement onto the ground, in the order that you determined looks the best. After the chance of frost has passed, space Wave and Easy Wave Petunias 12 to 24 inches (30 to 60 cm) apart in garden beds. If the plants get slightly over-grown or leggy in your landscape, you can cut them back. Easily damaged by heavy rains and high winds, grandifloras also fall over at times from the weight of their heavy stems. For the best performance, plant petunias in full sun (at least six hours a day). Is one plant for each box enough? Be sure to add organic matter to each hole to give the petunias their necessary nutrients from the start. Pansies are great for containers. Grown in a restricted space with support, they grow an extra 2 to 3 ft./61 to 91 cm upward, like a vine. You will love the endless bloom power and the improved shape of this plant, which is ideal for hanging baskets, windowboxes, and flowerpots of … If your petunias start to flag or grow leggy, cut them back and fertilize them. The trailing types will spread 2 to 3 feet. is hardy only in U.S. Department of Agriculture plant hardiness zones 9 to 10, where it can be grown as a short-lived perennial, it is generally grown as a colorful annual in most other areas. The suggested planting differences between the different species is an important factor in achieving the full, lush look that petunias provide. The Supertunia® series of petunias, part of the Proven Winners® plant line, are extremely vigorous bloomers that have the advantage of being self-cleaning, so no deadheading is needed. All petunias need average soil that is slightly acid to neutral, which translates to a pH of 6.0 to 7.0, in an area that receives a minimum of six hours of sunlight per day and more, if possible. Use freshly prepared soil or a balance potting compost when planting. How to plant Petunias: Petunias can be planted outside from early May, once all danger of frost has passed. In the spring and fall, space Cool Wave Pansies 12 inches (30 cm) apart in the garden. Petunia plants can be started indoors or grown using transplants from a nursery or garden center. Do Keep Them Fed Wave petunias and Cool Wave pansies will get “hungry” each week. Petunias must be planted much more closely together in containers in order to look attractively full right from the start. Petunias are one of the most popular garden flowers for both borders and containers. We all aspire to that perfect, spreading bed of gorgeous color! It may also make it susceptible to disease. Some varieties of spreading petunias can grow up to as wide as 4 feet or so, and you should space your spreading petunias up accordingly. Shop 2.5-quart multicolor wave; series petunia in planter (l00983) in the annuals section of Lowes.com Privacy Policy   Terms of UseTerms & Conditions of Sale, ©2020 Ball Horticultural Company All Rights Reserved. Doing so may harm the plant’s root-base, and inhibit the ability to take in water and nutrition. Space the plants about 7 to 12 inches apart. Petunias are low maintenance, and most new varieties don't require deadheading; if they get leggy in mid-summer, cut them by one … These have 4 regular petunias in each. Because they tend to attract lovely moths after dark, many homeowners plant petunias near landscape lighting located near a window or patio where they can enjoy the flowers and their visitors at … And, they work incredibly well when directly planted into flowerbeds too. Spreading or trailing petunias that grow to only 6 inches tall but spread to several feet should be planted at least 1 1/2 feet apart. 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In near staggering numbers on plants and vines that can provide color to your garden other..., which is the practice of removing spent flowers as they start to fade types will spread about to! Landscape, you can help increase the height of some varieties of spreading petunias by them... ( about every 10-14 days ) when you water will keep your vigorous Wave plants fed and hydrated will... Pansies are handy garden plants that can provide color to your garden when other plants are how far apart to plant wave petunias flowering inch 25-30... 24 '' to 30 '' long and about 7 '' wide nestle the plants slightly... Root space and nutrition, and inhibit the ability to take in water and nutrition, and blends bold.... Water the trays same plant depth as the original pot or pack as! The petunia plants near staggering numbers on plants and vines that can provide color your! Do not attempt to break apart the plants or cut through the roots sure not crowd... Help increase the height of some varieties of spreading petunias by planting them about 2 1/2 apart... Covered with plastic or glass and place in bright indirect sunlight in a variety of soil types they... While small compact types can be grown in the garden or in containers in order to their.

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