We're offering you a Upto 60 Petunia Caliburst Yellow for £12.99, saving you up to 32% off Thompson and Morgan's's price of £18.99 (correct as of 25.03.2026).

Add a Burst of Sunshine with Petunia Caliburst Petchoa Yellow

The Petunia 'Caliburst Petchoa Yellow' is a standout annual hybrid, delivering waves of bright yellow blooms that illuminate borders, baskets, and patios. As a member of the Solanaceae family, this variety is renowned for its robust growth and continuous flowering from late spring right through summer.

• Growth Habit: Compact yet vigorous, these plants reach approximately 25-30cm in height and spread, forming dense mounds covered in flowers.
• Blooming Period: Expect prolific flowering from May until the first frosts, ensuring months of vivid colour.
• Planting Locations: Ideal for hanging baskets, window boxes, patio pots, or mass bedding displays.
• Wildlife Benefits: The open blooms attract pollinators such as bees and hoverflies, supporting garden biodiversity.

Growing Guide

• Sunlight: Prefers full sun but will tolerate partial shade for part of the day.
• Soil: Thrives in moist but well-drained soil; suitable for multipurpose compost in containers.
• Watering: Water regularly during dry spells; avoid waterlogging by ensuring good drainage.
• Feeding: Feed fortnightly with a balanced liquid fertiliser to support continuous blooms.
• Hardiness: Annual; not frost hardy. Plant out after the last frost date in your area (typically from May onwards in the UK).

Planting & Care Tips

• Pot on plug plants as soon as they arrive and grow on in a bright, frost-free location until planting out.
• Pinch out growing tips to encourage bushier growth and more flowers.
• No pruning required; simply remove spent blooms (deadheading) to prolong flowering.

Garden Design Ideas

• Baskets & Containers: Pair with trailing lobelia or bacopa for mixed displays with contrasting colours.
• Borders: Use as front-of-border edging alongside alyssum or dwarf marigolds for a cheerful summer palette.
• Cottage Gardens: Combine with petunias of other colours or summer bedding favourites like geraniums and verbena.

FAQs

• When is the best time to plant?
  The best time to plant is after the last frost in spring (usually May in the UK).
• How fast do they grow?
  You'll see rapid growth once planted out in warm conditions; flowers appear within weeks.
• What type of soil do they prefer?
  Pepunias thrive in fertile, well-drained soil or multipurpose compost for containers and baskets.