We're offering you a 5 or 10 Petunia Night Sky Plants for £5.99, saving you up to 54% off Thompson and Morgan's's price of £12.99 (correct as of 13.05.2026).

Add a touch of celestial beauty to your garden

Bring celestial beauty to your garden with Petunia 'Night Sky'. This stunning bedding plant is renowned for its deep purple petals adorned with speckled white patterns, creating a starry-night effect that’s truly one-of-a-kind. Each bloom is unique, adding visual intrigue to borders, baskets, and containers.

Why Choose Petunia 'Night Sky'?

• Exceptional Colour Impact: The rich violet and white speckling stands out in any garden scheme.
• Award-Winning Quality: Recipient of the RHS Award of Garden Merit for proven performance and reliability.
• Continuous Flowering: Produces abundant blooms from late spring through to the first autumn frost.
• Vigorous Growth: Forms bushy, spreading plants ideal for mass planting or statement containers.

Planting & Care Guide

• Planting Time: Sow or plant out after the last frost, typically from late April to June.
• Location: Prefers full sun but will tolerate partial shade. Ideal for patios, window boxes, and hanging baskets.
• Soil Requirements: Grows best in well-drained, fertile soil with a neutral to slightly acidic pH (6.0–7.0).
• Watering: Keep soil consistently moist but not waterlogged; water at the base to avoid wetting foliage.
• Feeding: Apply a balanced liquid fertiliser every two weeks during the growing season for optimal blooms.
• Deadheading: Regularly remove faded flowers to encourage continuous flowering and maintain plant vigour.

Design Tips & Companion Plants

• Create dramatic displays by pairing with silver-leaved plants like Dichondra 'Silver Falls'.
• Add texture by combining with trailing lobelia or upright geraniums in mixed containers.
• Bedding schemes: Use en masse along borders for a bold splash of colour through summer and autumn.

FAQs

• When is the best time to plant Petunia 'Night Sky'?
  The best time is after the last frost in spring, usually between late April and June.
• How big do these petunias grow?
  Mature plants typically reach 25–30cm in height with a similar spread, making them ideal for baskets and beds.
• Do they require any special care?
  No special care is needed—just regular watering, feeding, and deadheading will keep them blooming beautifully all season!