How to Keep Your Petunias Thriving All Summer Long
Petunias are an Easy to Grow and Care for Flowering Plant
Start your petunia journey by purchasing small, already-started plants from your local greenhouse. These young plants offer a head start, making it easier to enjoy vibrant blooms throughout the season. Opt for a variety of colors to create stunning mixed displays in large planters, a perfect way to showcase their beauty.Once home, choose large planters with good drainage to accommodate your mix-and-match approach. Fill them with a high-quality potting mix enriched with compost or slow-release fertilizer. Plant the petunias about 12 inches apart, gently loosening their roots before placing them in the soil. Water thoroughly after planting to settle the roots.
To keep these beauties going, place the planters in a spot with full sun, ideally 6-8 hours daily, as petunias thrive in bright conditions. Water consistently, keeping the soil moist but not waterlogged—check daily, especially during hot weather, and water when the top inch feels dry. Deadhead spent blooms weekly by pinching them off to encourage new flowers and prevent seed production, ensuring a continuous display.
Feed your petunias every 1-2 weeks with a balanced, water-soluble fertilizer (e.g., 10-10-10) to boost growth and color. Trim leggy stems by about one-third in mid-summer to promote bushiness and fresh blooms. Watch for pests like aphids or spider mites, and rinse them off with a gentle water spray if spotted.
With this simple care routine, your colourful petunias will flourish from June through September, adding charm to your outdoor space all summer long.
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