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Delphinium grandiflorum Blauer Zwerg - Larkspur

Delphinium grandiflorum Blauer Zwerg
Siberian Larkspur, Chinese Delphinium

5,0/5
3 reviews
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Very small plant but appears to be in good health. To be seen in due course.

Angèle, 21/09/2021

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This plant carries a 12 months recovery warranty

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Value-for-money
Another way to appreciate delphiniums. Less spectacular, shorter, but also easier to grow, this bushy variety has light spikes, adorned with single flowers in a brilliant gentian blue between June and July, and very finely cut leaves. Easy to grow in cool and humus-rich soil, this perennial larkspur is also more resistant to diseases and parasites.  
Flower size
4 cm
Height at maturity
25 cm
Spread at maturity
20 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Best planting time March, September
Recommended planting time February to April, September to November
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Flowering time June to July
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Description

Another way to appreciate delphiniums. Less spectacular, shorter, but also easier to grow, Dephinium grandiflorum 'Blauer Zwerg' is a bushy variety with light spikes of single, bright gentian blue flowers in June-July. This smaller variety has very finely cut light green leaves that enhance its intense colour. Easy to grow in moist and humus-rich soil, this perennial larkspur is also more resistant to diseases and parasites.

 

Delphinium Blauer Zwerg is a plant of the Ranunculaceae family belonging to a group of perennial varieties derived from Delphinium grandiflorum, also called Chinese Delphinium, native to Russia, Mongolia, Japan and China. Blauer Zwerg is distinguished by its gentian blue colour and a bushy, compact shape that does not exceed 25 cm (10in), which means it doesn't need staking. Slender floral stems emerge from a tuft of large palmate leaves finely divided into strips, in June-July. This variety produces branched spikes, 15 cm (6in) long, adorned with 3 to 4 cm (1 to 2in) diameter, graceful, light flowers composed of 5 petaloid sepals, the upper one being prolonged by a delicately indented spur. The plant develops from a woody rhizome that sinks into the soil.

 

Delphiniums are floriferous herbaceous perennials, always noticeable in a garden. Delphinium grandiflorum allows you to appreciate these plants in a different way by living for several years. Their characteristic silhouette always adds colour, and charm and lightness to perennial beds. They are good companions for moss or gallica roses, with which they form charming and romantic scenes. You can create a beautiful combination with soft orange daylilies and gypsophila Rosenschleier. The 'Blauer Zwerg' variety is also suitable for flower pots. Its flowers hold up well in bouquets.

Note: From March to September, the stems of our delphiniums are cut short to allow better branching and achieve optimal rooting. This also prevents the stems from breaking during transport.

Delphinium grandiflorum Blauer Zwerg - Larkspur in pictures

Delphinium grandiflorum Blauer Zwerg - Larkspur (Flowering) Flowering
Delphinium grandiflorum Blauer Zwerg - Larkspur (Foliage) Foliage
Delphinium grandiflorum Blauer Zwerg - Larkspur (Plant habit) Plant habit

Flowering

Flower colour blue
Flowering time June to July
Inflorescence Spike
Flower size 4 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green

Plant habit

Height at maturity 25 cm
Spread at maturity 20 cm
Growth rate normal

Safety measures

Potential risks Plant may be toxic if swallowed

Botanical data

Genus

Delphinium

Species

grandiflorum

Cultivar

Blauer Zwerg

Family

Ranunculaceae

Other common names

Siberian Larkspur, Chinese Delphinium

Origin

Cultivar or hybrid

Planting and care

Delphiniums are fairly easy to grow but still require some precautions: they dislike heavy and damp soils, as well as dry and poor soils. The soil that suits them is fertile soil, rich in humus, loose, moist, even in summer, but without excess wet in winter, and shelter from strong winds. Under these conditions, they will live for many years. Beware of slugs and snails that can cause damage at the beginning of growth.

Planting period

Best planting time March, September
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Humus-bearing, deep, light

Care

Pruning instructions To extend the flowering period, regularly remove the faded flowers.
Pruning Pruning recommended once a year
Pruning time July to August
Disease resistance Good
Overwinter Can be left in the ground
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