We're offering you a 15 Garden Ready Petunia Grand Rapids for £9.99, saving you up to 41% off Thompson and Morgan's's price of £16.99 (correct as of 12.06.2025).

Containers & Window Boxes

Transform Your Garden with Petunia Grand Rapids

Petunia Grand Rapids is a classic bedding plant prized for its abundant, large purple and white blooms. This annual variety flourishes from early summer right through to the first frost, bringing continuous waves of colour to your outdoor spaces.

• Botanical Group: Petunia x hybrida
• Flowering Period: June to October
• Mature Size: Up to 40cm (16in) height and spread
• Plant Type: Annual bedding plant

Why Choose Petunia Grand Rapids?

• Eye-Catching Displays: Perfect for hanging baskets, window boxes, patio pots, and borders.
• Weather-Resilient: Bushy plants bounce back after rain and retain vibrant colour all season.
• No-Fuss Gardening: Minimal maintenance required—just water regularly and deadhead spent blooms for maximum flowering.
• Dense Growth: Compact habit fills containers or garden beds without becoming leggy.

Growing Guide & Care Tips

• Planting Time: After the last frost in spring—these are supplied as garden-ready plants for immediate planting.
• Light Requirements: Thrives in full sun but will tolerate light shade.
• Soil Preference: Prefers fertile, well-drained soil with neutral to slightly acidic pH (6.0–7.0).
• Caring For Your Plants: Water regularly during dry spells. Feed fortnightly with a balanced liquid fertiliser for best results. Remove faded flowers to encourage new blooms.
• Pest & Disease Resistance: Generally robust but watch for aphids or slugs in wet weather.

Design Inspiration & Companion Planting

• Borders & Edges: Plant alongside Lobelia, Marigolds, or Alyssum for a colourful summer display.
• Pots & Window Boxes: Combine with trailing Bacopa or Ivy for contrast and texture.
• Cottage Gardens: Use as mass planting for bold swathes of colour or mix with other annuals for variety.

FAQs

• When should I plant my Petunia Grand Rapids?
  The best time is after the last frost in spring when soil temperatures are reliably warm.
• How long will they flower?
  You can expect blooms from June until the first autumn frost with regular deadheading.
• Do I need special soil?
  No—Petunias thrive in most well-drained garden composts but prefer neutral to slightly acidic conditions.