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Value-for-money

Calamintha grandiflora - Calamint

Calamintha grandiflora
Large-flowered Calamint

37 reviews
4,6/5
28 reviews
4 reviews
3 reviews
1 reviews
1 reviews

Hello, very disappointed with the flowering, tiny and uninteresting flowers, on the description a beautiful flowering and large flowers which is not at all the case, too bad.

Françoise, 13/07/2022

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More information

Value-for-money
Hardy perennial for well-drained soil, Calamintha grandiflora flowers from June. It is the only one of its genus to have such large tubular flowers.
Height at maturity
50 cm
Spread at maturity
30 cm
Exposure
Sun
Hardiness
Hardy down to -18°C
Soil moisture
Dry soil, Moist soil
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Recommended planting time February to April, September to November
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Flowering time June to August
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Description

A hardy perennial for well-draining soil, Calamintha grandiflora blooms from June onwards, it is the only one in the genus to have such large tubular flowers.

 

This species forms upright bushes that reach a height of 40-50cm (16-20in) and slowly spread through suckers. The Calamintha grandiflora carries a multitude of tubular flowers in bright carmine-pink attracting bees and butterflies. Its tender green leaves, similar to those of mint and catnip, emit an aromatic fragrance.

Large-flowered catmint is easy to grow and thrives in sunny locations with light, moist, and well-draining soil, but it dislikes compact soils, wet in winter.

It can be used in various ways, either as a standalone plant, to border a path or walkway, to fill the base of bush roses, or in wild-looking flower beds alongside Stipa tenuissima, Stachys bizanthina, bronze fennel, and Achillea Apfelblute.

Calamintha grandiflora - Calamint in pictures

Calamintha grandiflora - Calamint (Foliage) Foliage

Flowering

Flower colour pink
Flowering time June to August
Inflorescence Spike

Foliage

Foliage persistence Deciduous
Foliage colour medium green
Aromatic? Fragrant foliage when creased

Plant habit

Height at maturity 50 cm
Spread at maturity 30 cm
Growth rate normal

Botanical data

Genus

Calamintha

Species

grandiflora

Family

Lamiaceae

Other common names

Large-flowered Calamint

Origin

Cultivar or hybrid

Other Calamintha

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Planting and care

A true all-terrain plant, Calamintha grandiflora grows in the sun in light, poor and stony soils. It appreciates moist soils but adapts to summer drought by reducing its flowering. In heavy soils, dig a hole 3 times larger than the volume of the pot and mix your topsoil with 1/3 gravel and 1/3 sand to lighten the soil and avoiding water-logging in winter.

Planting period

Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Woodland edge
Type of use Border
Hardiness Hardy down to -18°C (USDA zone 7a) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, well-drained

Care

Pruning instructions Remove the faded flowers to extend flowering. At the end of the season, cut back the clumps and leave them in place to protect the crowns.
Pruning Pruning recommended once a year
Pruning time August to September, November
Overwinter Can be left in the ground
4,6/5

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