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Delphinium Casa Blanca - Larkspur

Delphinium x belladona Casa Blanca
Belladonna Larkspur, Perennial Larkspur

3,7/5
8 reviews
2 reviews
4 reviews
0 reviews
3 reviews

The young plants are too small, I can't give an opinion, I'm waiting!

Helene, 27/09/2021

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This plant carries a 12 months recovery warranty

More information

Delphinium 'Casa Blanca', a floriferous and long-lasting perennial with white flowers,
Flower size
5 cm
Height at maturity
1.20 m
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -34°C
Soil moisture
Moist soil
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Recommended planting time March to May, September to November
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Flowering time June to September
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Description

Delphinium or Larkspur 'Casa Blanca' is a very floriferous perennial with white flowers. The single flowers are cup-shaped and measure 2 to 4cm (1 to 2in) in diameter. They have spurs that are 1.5 to 3cm (1in) long. These flowers are perched on sturdy stems carrying imposing branching spikes.

The 'Casa Blanca' variety has a long flowering period from June to September. Its green leaves are deciduous. It is a very hardy perennial.

Ranging from 1 to 1.50m (3 to 5ft) in height and from 30 to 45cm (12 to 18in) in width, it stands out in gardens. It can be planted in borders, rockeries, and flower beds. These flowers can be used to create lovely bouquets. This easy-to-grow Delphinium thrives in sunny exposures. The 'Belladonna' Group is more disease-resistant than other Delphiniums.

Note: From March to September, the stems of our Delphiniums are pruned short to encourage better branching from the stump and achieve optimal rooting. This pruning also prevents the stems from breaking during transportation.

Delphinium Casa Blanca - Larkspur in pictures

Delphinium Casa Blanca - Larkspur (Flowering) Flowering
Delphinium Casa Blanca - Larkspur (Foliage) Foliage

Flowering

Flower colour white
Flowering time June to September
Flower size 5 cm
Good for cut flowers Cut flower blooms
Flowering description White.

Foliage

Foliage persistence Deciduous
Foliage colour medium green
Foliage description Deciduous

Plant habit

Height at maturity 1.20 m
Spread at maturity 40 cm
Growth rate normal

Safety measures

Potential risks Plant may be toxic if swallowed

Botanical data

Genus

Delphinium

Species

x belladona

Cultivar

Casa Blanca

Family

Ranunculaceae

Other common names

Belladonna Larkspur, Perennial Larkspur

Origin

Cultivar or hybrid

Product reference77301

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Planting and care

Delphinium 'Casa Blanca' is planted in full sun or partial shade, sheltered from strong winds. Plant it in a rich, moist but well-drained soil. It dislikes heavy and wet soils, as well as poor and dry soils. Plant Delphiniums in spring, after the last frost. Very easy to grow; water regularly to maintain vegetation and apply liquid fertilizer every two to three weeks during growth. Stake if necessary. Remove faded flowers by cutting the spikes at the level of the small lateral flowering shoots. Cut back the entire plant to ground level in autumn, adding a humus-bearing and well-draining mulch. Leave a minimum of two or three shoots on young plants and five to seven on well-established delphiniums. Slugs should be monitored. This Belladonna Group is more disease-resistant than other Delphinium species.

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Planting period

Recommended planting time March to May, September to November

Intended location

Suitable for Shaded rockery, Woodland edge, Undergrowth
Type of use Edge of border
Hardiness Hardy down to -34°C (USDA zone 4) Show map
Ease of cultivation Amateur
Planting density 6 per m2
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Rich, light and deep

Care

Pruning instructions Tie up the stems in spring. Remove the inflorescences soon after flowering to encourage a second autumn flowering.
Pruning Pruning recommended once a year
Pruning time June to August
Overwinter Can be left in the ground
3,7/5

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