Delphinium (Larkspur) 'Pacific Blue Jay'
Delphinium x cultorum
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Details
Create a spectacular, towering focal point at the back of your summer borders with Delphinium 'Pacific Blue Jay' (Larkspur). Part of the renowned Pacific Giants series, this magnificent perennial produces tall, majestic spires packed with vivid, medium-blue flowers, each beautifully accented by a dark, contrasting centre (or 'bee'). An absolute staple for the classic cottage garden, these architectural blooms provide unbeatable vertical interest and are a firm favourite for visiting bees and butterflies.
Plant Specifications:
- Plant Type: Herbaceous Perennial
- Eventual Height: 150cm - 180cm
- Eventual Spread: 45cm - 60cm
- Position: Full sun (sheltered from strong winds)
- Soil Preference: Moist but well-drained, fertile
- RHS Hardiness: H4 (Hardy through most of the UK)
- Flowering Period: June - July
Bedwen Plants Care Tip: Because of their impressive height and large blooms, Pacific Delphiniums require sturdy staking early in the season. They are hungry plants, so enrich the soil with compost before planting and feed regularly. Protect new spring shoots from slugs, and cut the spent flower spikes right down to the ground after their first flush to encourage a smaller, late-summer display.
Click on the 'Growing Information' tab for more details about this plant.
Growing Information
| Common Name | Larkspur |
|---|---|
| Genus | Delphinium |
| Exposure | Sheltered |
| Soil Type | Chalk, Loam, Sand |
| Soil pH | Acidic, Alkaline, Neutral |
| Soil Moisture | Moist / Well Drained |
| Height (Max.) | 180cm (1.8m) |
| Spread (Max.) | 75cm |
| Growth Habit | Clump-forming, Upright |
| Flower Colour | Blue |
| Foliage Colour | Green |
| Ideal for... | Cottage Gardens, Wildlife Gardens, Cut Flowers, Back of Border, Attracting Pollinators, Sunny Spots, Architectural Plants |
| Planting | Plant in fertile, free‑draining soil in a sunny, sheltered spot with support for tall stems. Keep the soil evenly moist and feed regularly, dead‑head to support flowers |
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Plant Care
What are you buying?
4L, 2L & 1L refer to pot volume in litres. 9cm, 7cm & 5cm refer to pot diameter. These are common terms used in plant retail to indicate the size of a plant root system. Leaf & stem growth on plants varies widely by variety and time of year. Usually, 1L/2L/4L plants can be anywhere between 20-60cm tall & 5/7/9cm plants will be around 10-30cm tall. However, this may be less if the plant is naturally low growing or if it is a herbaceous plant in winter.
Plug plants are small plants grown from seeds or cuttings in cell trays. Their root systems start from about 1cm and the largest plug plants, described as extra-large or jumbo, are usually around 4cm. Plug plants can be great value to buy but they will need some extra care to get them started. We recommend planting each plug plant into its own 7 or 9cm pot (about the size of a standard mug), NOT directly into open ground or large pots. Ensure the pot has plenty of holes underneath and preferably over two tiers for even better drainage.