We're offering you a Garden Ready Delphinium Blue & White for £12.99, saving you up to 24% off Thompson and Morgan's's price of £16.99 (correct as of 06.06.2025).

Hardy Perennial Plants

Add Majestic Colour to Your Garden with Delphinium 'Dark Blue & White Bee'

Delphinium elatum, known for its dramatic vertical presence, brings a classic cottage garden look with towering spires of indigo blue flowers featuring striking white centres. This robust perennial is a favourite among gardeners seeking reliable summer colour and architectural interest.

• Flowering Period: Early to mid-summer (typically June–July)
• Mature Height & Spread: Grows up to 90cm (36") tall, spreading to around 30cm (12")
• Planting Location: Best at the back of sunny borders or in mixed perennial beds
• Wildlife Friendly: Attracts bees, butterflies, and other pollinators
• Cut Flower Use: Long stems make impressive indoor arrangements

Growing Guide & Care Instructions

• Sun Requirements: Prefers full sun but tolerates light shade in hotter regions.
• Soil Preferences: Thrives in fertile, well-drained soil with neutral to slightly alkaline pH.
• Watering: Keep soil consistently moist but not waterlogged; mulch helps retain moisture.
• Hardiness: Hardy in UK gardens (USDA Zones 3–7).
• Support: Tall flower spikes benefit from staking in exposed sites.
• Pruning: Remove spent flower spikes after blooming to encourage a second flush; cut back old stems in autumn.
• Feeding: Apply a balanced fertiliser in spring as growth begins.

Garden Design Tips & Companions

• Create drama by planting in groups at the back of borders alongside foxgloves, lupins, or phlox.
• Add structure and vibrant colour contrast with ornamental grasses or hardy geraniums nearby.
• Avoid very windy spots or provide support for best upright growth.

Your Plants Arrive Garden Ready!

No need for extra potting on—simply plant directly into prepared beds or large containers for instant impact. Whether you choose a set of 15 or 30 plants, you'll enjoy reliable blooms year after year.

FAQs

• When is the best time to plant Delphiniums?
  You can plant garden ready Delphiniums as soon as the risk of frost has passed, typically from late spring onwards.
• How tall will these plants grow?
  This variety reaches approximately 90cm (36") when mature.
• What care do they need during the season?
  Keep soil moist, feed in spring, remove faded flower spikes, and provide support if needed for taller stems.