We're offering you a 12 or 24 Petunia Frenzy Grand Rapids for £5.99, saving you up to 65% off Thompson and Morgan's's price of £16.99 (correct as of 24.02.2026).

Floral Fireworks Show

Brighten your garden with Petunia 'Frenzy Grand Rapids', a popular annual bedding plant celebrated for its abundant, showy blooms. This variety features large, trumpet-shaped flowers in a striking mix of purple and white—perfect for injecting colour into beds, borders, containers, or window boxes from early summer through to the first autumn frosts.

Why Choose Petunia 'Frenzy Grand Rapids'?

• Long-Lasting Colour: Enjoy continuous blooms all season long, keeping your outdoor space lively and inviting.
• Attracts Pollinators: These petunias draw bees and butterflies, helping to support a healthy garden ecosystem.
• User-Friendly: With simple care needs, this variety is ideal for new gardeners and those seeking fuss-free floral displays.

Growing Guide & Care Tips

• Planting Time: Sow or plant out after the last frost (typically late spring).
• Sunlight: Prefers full sun but will tolerate partial shade.
• Soil: Thrives in moist but well-drained soil; enrich with compost before planting.
• Watering: Water regularly during dry spells—avoid waterlogging.
• Pest & Disease: Generally robust but watch for aphids; remove faded blooms to encourage more flowers.

Design Ideas

• Beds & Borders: Mix with marigolds or lobelia for a vibrant summer display.
• Pots & Baskets: Combine with trailing varieties for cascading colour on patios or balconies.
• Window Boxes: Plant alone or with contrasting annuals for instant kerb appeal.

FAQs

• When is the best time to plant Petunia 'Frenzy Grand Rapids'?
  The best time to plant is after the last frost in late spring when soil temperatures have warmed up.
• How tall do these petunias grow?
  This variety typically reaches 20–30cm in height with a spread of up to 30cm.
• Do they need deadheading?
  Yes—removing faded flowers encourages more blooms and keeps plants looking tidy throughout the season.