![]() ![]() Plants in containers will need regular, possibly daily watering – the aim being to keep the compost evenly moist. Keep the soil moist by watering regularly during prolonged dry periods in summer. Suggested planting locations and garden typesįlower borders and beds, patios, containers, city and courtyard gardens, cottage and informal gardens. This way you’ll have flowers earlier in the summer. Applying a 5-7.5cm (2-3in) deep mulch of well-rotted garden compost or similar over the soil will help maintain soil moisture and keep down weeds.If you have a warm greenhouse, you can plant up containers and baskets in spring and grow on the plants, ready to place outside in late May/early June. Apply a granular general feed over the soil and water in well. Mix in more organic matter with the excavated soil and fill in the planting hole. Place the rootball in the planting hole and adjust the planting depth so that it is planted at the same depth as it was originally growing (except hardy fuchsias) and the top of the roots are level with the soil surface. Add a layer of organic matter – such as compost or planting compost – to the base of the hole and fork it in. Petunias are planted out in May/June after the danger of frost has passed.ĭig a good sized planting hole, big enough to easily accommodate the rootball. 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. Gradually acclimatise the plants to outdoor conditions for 7 to 10 days before planting outdoors when all risk of frost has passed. When large enough to handle, prick out plants individually into cell trays or small pots and grow on at a temperature of 50-65☏ (10-15☌) in good light. The annual or bedding petunias can be grown from seed sown indoors with warmth in spring in cell trays, seed trays or small pots at a temperature of 18-24☌ (65-75☏). Spreading or trailing petunias include Surfinia, Wave, Tumbelina, Supertunia and Cascadia series. ![]() Petunia varietiesīedding varieties are either grandifloras with larger flowers or multifloras with smaller flowers that hold up better in the rain. Dig in plenty of organic matter – such as garden compost, well-rotted manure or other soil improver – especially in very well-drained sandy soils to hold moisture. They grow best in a fertile, moist but well-drained soil. Petunias prefer to be grown in full sun, although during hot, sunny summers they will tolerate light shade. The trailing varieties, such as Surfinias, are perennial and are grown from cuttings or new plants. Petunias are perennial, although most bedding types are grown as annuals from seed each year. Recent breeding has also removed the scourge of old petunia varieties – turning to mush in a wet summer. There is great variety in petunia flowers: a wide range of colours both single and double blooms smooth or ruffled petals solid single, striped, veined or picotee-edged colours and even fragrance. The compact, bushy varieties are perfect for planting in beds and borders and the trailing types brighten up hanging baskets and for flowing down the edges of containers. Their mass of flowers bring lots of great colour to gardens. Mulch 2" to suppress weeds and retain moisture.Petunias are one of our most popular summer bedding plants, flowering throughout summer until the first severe frosts of autumn. Trim, if desired, to maintain a tidy habit, but know that varieties in this series are self-cleaning and repeat-blooming with no deadheading necessary. Feed with a slow-release fertilizer per label instructions. Grow them in sunny spots with well-drained, amended soil. Enjoy them in hanging baskets, mixed container gardens, and in landscape beds and borders. All in all, they make an excellent option for fall color and late season plantings that will hold up to the extreme temperature swings and rainy-wet cycles familiar to Northeast Ohio homeowners! Varieties in this vigorous series possess large, trumpet-shaped flowers in vibrant colors. Leaves stay greener than other petunias under stressful conditions, and foliage is non-sticky. They even withstand heavy rains, bouncing right back with little to no damage. Part petunia and part calibrachoa, they are all-weather performers that can stand up to high heat and they're also cold hardy down to 24 degrees Fahrenheit. SuperCal® and new SuperCal® Premium are hybrid "Petchoa" varieties that are uniquely superior. Petunia x Calibrachoa hybrid This hanging basket is a 3-color mix of varieties that have been trialed and proven to grow well together, including SuperCal® Blue, Light Yellow, and Cherry. SuperCal® Garden Magic 12" Hanging Basket
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