Delphinium ‘Dark Blue Black’ — Hardy Perennial, Bee-Friendly, 1L Pot (Set of 3 or 6)
Delphinium ‘Dark Blue Black’ — Hardy Perennial, Bee-Friendly, 1L Pot (Set of 3 or 6)
Delphinium ‘Dark Blue Black’ — a hardy herbaceous perennial with deep blue with a dark black centre (bee) and flowering early to mid summer. A reliable nectar source for bees and pollinators. Supplied as a set of 3 or 6 well-rooted plants in 1L pots, grown peat-free at our Yorkshire nursery and ready to plant out.
At a glance
- Type: Hardy Herbaceous Perennial
- Mature size: 120–180 cm × 60–90 cm
- Flowering: Early to Mid Summer (June–July), with possible second flush in late summer if deadheaded
- Position: Full Sun to Light Partial Shade, Sheltered
- Attracts: Bees, Butterflies & Other Pollinators
- Supplied as: Set of 3 or 6 plants in 1L pots
The detail
A striking addition to any garden border, the Delphinium Dark Blue Black Bee produces tall, elegant flower spikes in a rich, deep blue with a contrasting dark centre, known as the 'bee'. This classic cottage garden favourite is a hardy herbaceous perennial that returns year after year, creating dramatic vertical interest and attracting pollinators throughout the summer months.
Each set includes 3 or 6 established plants supplied in 1Ltr root-balls, ready to plant straight into the garden or a large container. These vigorous growers will reward you with magnificent spires of densely packed blooms, perfect for adding height and colour to mixed borders, cutting gardens, or as a focal point in any planting scheme.
Why ours
Grown by us in Yorkshire, in peat-free compost, shipped in plastic-free packaging. Every plant arrives strong, well-rooted and ready to thrive — not weeks of waiting before it gets going. Each order includes access to our free care app with planting and seasonal care reminders.
How to grow
| Botanical name | Delphinium elatum 'Dark Blue Black Bee' |
| Mature size | 120–180 cm × 60–90 cm |
| Growth habit | Tall, Upright, Clump-Forming Perennial |
| Position | Full Sun to Light Partial Shade, Sheltered |
| Soil | Fertile, Moist but Well-Drained |
| Flowering | Early to Mid Summer (June–July), with possible second flush in late summer if deadheaded |
| Hardiness | Fully Hardy (RHS H7) |
| Attracts | Bees, Butterflies & Other Pollinators |
| Best for | Herbaceous Borders, Cottage Gardens, Cut Flower Gardens, Back of Borders |
Frequently asked
Will it come back next year?
Yes — Delphinium ‘Dark Blue Black’ is a hardy herbaceous perennial. It will die back over winter and re-emerge in spring, returning bigger and stronger each year.
When will it flower?
Expect flowers from early to mid summer (june–july), with possible second flush in late summer if deadheaded. Deadheading spent blooms promptly often encourages a second flush.
Is it really bee-friendly?
Yes — Delphinium ‘Dark Blue Black’ is a known nectar source and is regularly visited by bees, butterflies and other pollinators throughout its flowering season.
What size pot does it arrive in?
Sets are supplied as 3 or 6 individual plants in 1L pot, well-rooted and ready to plant out or pot on.