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Meconopsis grandis - Blue Poppy

Meconopsis grandis
Blue Poppy, Himalayan blue Poppy

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This plant carries a 12 months recovery warranty

More information

The Meconopsis grandis, a poppy with vibrant gentian blue flowers.
Flower size
9 cm
Height at maturity
80 cm
Spread at maturity
30 cm
Exposure
Partial shade
Hardiness
Hardy down to -23.5°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time February to May, October to November
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Flowering time May to June
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Description

A mythical genus of plant if ever there was one, especially for its Himalayan species: these "Diamonds from the Roof of the World" on which the dreams of many enthusiasts are shattered. The word 'shatter' is not too strong because successfully growing species such as M. bella, M. delavayi or M. punicea is more akin to the alchemist's initiation than to gardening. The species we offer are among the easiest to grow.

This blue poppy is the most perennial of all. Some plants have been faithfully returning to the garden for over a decade. In less arid regions, 4 to 5 years is a more realistic life expectancy. The foliage is identical to that of M. betonicifolia, but the magnificent bright gentian-blue flowers, often shaded purple at the base, are like large open cups, resembling the Iceland poppy in shape, but much larger.

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Oriental poppies: how to grow them
Family sheet
by Virginie T. 10 min.
Oriental poppies: how to grow them
Read article

Meconopsis grandis - Blue Poppy in pictures

Meconopsis grandis - Blue Poppy (Flowering) Flowering
Meconopsis grandis - Blue Poppy (Foliage) Foliage
Meconopsis grandis - Blue Poppy (Plant habit) Plant habit

Flowering

Flower colour blue
Flowering time May to June
Flower size 9 cm

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 80 cm
Spread at maturity 30 cm
Growth rate slow

Botanical data

Genus

Meconopsis

Species

grandis

Family

Papaveraceae

Other common names

Blue Poppy, Himalayan blue Poppy

Botanical synonyms

Papaver grande

Origin

Himalayas

Product reference8367111

Planting and care

In order to grow this plant successfully, it needs a cool and humid environment. The soil should always be moist but also well-drained. It's worth noting that this plant comes from mountainous areas where the soil is drained by the underlying rock. Therefore, a mixture of equal parts clay soil, leaf compost, and gravel works well. It cannot tolerate limestone or heat, making it difficult to cultivate except in temperate coastal areas or medium mountain regions that are cool enough in summer due to altitude and covered with a thick layer of snow in winter.

Planting period

Best planting time March to April
Recommended planting time February to May, October to November

Intended location

Suitable for Woodland edge
Type of use Border
Hardiness Hardy down to -23.5°C (USDA zone 6a) Show map
Ease of cultivation Experienced
Planting density 5 per m2
Exposure Partial shade
Soil pH Acidic, Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil rich and well-draining

Care

Pruning Pruning recommended once a year
Pruning time June to July
Disease resistance Good
Overwinter Can be left in the ground

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