Delphinium ‘Black Knight Group’

Delphinium Black Knight Group

Delphinium Black Knight Group reaches 1.75m with dark purple-blue spires touched with black centres. Its bold vertical stems rise in June and July, making it a favourite in cottage borders and a superb choice for cut flowers. Large in scale and columnar in habit, it adds both drama and elegance to Irish summer plantings.

Flowering Months

Jan J

Feb F

Mar M

Apr A

May M

Jun J

Jul J

Aug A

Sep S

Oct O

Nov N

Dec D

Size

Max Height

1.5 m — 2.5 m

Max Spread

0.5 m — 1.0 m

Growth Habit

Tall, narrow growth habit with strongly vertical main stems.

Planting Position

Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.

Full Sun

Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.

South East West

Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.

Sheltered

Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.

(−15 to −10 °C) Cold-hardy

Ideal Soil Conditions

Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.

Chalk Loam Sand

Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.

Moist but permeable / Free draining

Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.

Acid Alkaline Neutral

Plant Uses & Merits

Uses

Patios / Courtyards
Flower Borders

Merits

No pruning required
Good for Cut Flowers

Delphinium ‘Black Knight Group’ Description

Planting Guide for Delphinium ‘Black Knight Group’

Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).

Care guide for Delphinium ‘Black Knight Group’

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.

Uses for Delphinium ‘Black Knight Group’ & Garden Styles it suits

Refunds are processed within 7 days from when we receive the item(s).

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