Delphinium ‘Pacific Giants Black Knight’ — Hardy Perennial, Bee-Friendly, 1L Pot (Set of 3 or 6)
Delphinium ‘Pacific Giants Black Knight’ — Hardy Perennial, Bee-Friendly, 1L Pot (Set of 3 or 6)
Delphinium ‘Pacific Giants Black Knight’ — a hardy herbaceous perennial with deep violet-blue with dark central \"bee\" and flowering june to july. 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
- Flowering: June to July (possible second flush in early Autumn if cut back)
- Position: Full Sun to Light Partial Shade, Sheltered
- Attracts: Bees, Butterflies and Pollinating Insects
- Supplied as: Set of 3 or 6 plants in 1L pots
The detail
Add height and drama to your garden with this stunning Delphinium Pacific Giants 'Black Knight'. Renowned for its towering spires of deep violet-blue, semi-double flowers with contrasting dark centres (known as the \"bee\"), Black Knight is one of the most striking varieties in the celebrated Pacific Giants series. These garden-ready plants are supplied as a set of three in 1Ltr root-balls, well-established and ready to plant straight into borders or containers.
A classic cottage garden favourite, Delphinium 'Black Knight' produces magnificent, densely packed flower spikes that create a bold vertical accent in herbaceous borders and mixed plantings. The rich, dark blooms are highly valued for cut flower arrangements and are a magnet for bees and other pollinating insects. As a fully hardy herbaceous perennial, it will die back over winter and return reliably each spring with vigorous new growth.
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 'Black Knight' (Pacific Giants Series) |
| Growth habit | Upright, Clump-Forming Herbaceous Perennial with Tall Flower Spikes |
| Position | Full Sun to Light Partial Shade, Sheltered |
| Soil | Fertile, Moist but Well-Drained |
| Flowering | June to July (possible second flush in early Autumn if cut back) |
| Hardiness | Fully Hardy |
| Attracts | Bees, Butterflies and Pollinating Insects |
| Best for | Herbaceous Borders, Cottage Gardens, Cut Flower Gardens, Back of Borders |
Frequently asked
Will it come back next year?
Yes — Delphinium ‘Pacific Giants Black Knight’ 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 june to july (possible second flush in early autumn if cut back). Deadheading spent blooms promptly often encourages a second flush.
Is it really bee-friendly?
Yes — Delphinium ‘Pacific Giants Black Knight’ 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.