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Collector's item

Agastache rupestris

Agastache rupestris
Rocky giant hyssop

4,5/5
5 reviews
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Everything was in disarray in the box: I couldn't find the Agastache, nor the Arnica, I sorted out the ferns but I don't know who is who!!!

Françoise, 15/03/2022

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This plant carries a 12 months recovery warranty

More information

Value-for-money
A beautiful perennial that forms clusters of flowers in orange-pink spikes, accompanied by camphor-scented foliage.
Height at maturity
60 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Recommended planting time March to June
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Flowering time July to September
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Description

Agastache rupestris is a beautiful perennial with an upright habit. Its branched stems are covered with a whitish bloom. It bears an abundance of pink-orange flowers in long, flexible spikes. It produces small, long and narrow grey leaves, with a strong camphor smell. It has the same requirements as A. cana.

 

Agastache rupestris is found in the dry prairies in America. It likes porous, even poor, well-drained soil in full sun. It lives for several years if the soil does not retain water. It can be cultivated in scree gardens, gravel gardens, or on a well-drained bank, protected from west rains. Water generously during the flowering period in hot regions. It can be combined with thermopsis, galega, lavenders, rosemarys, yarrows, etc. Wait until spring to plant in humid regions.

 

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Agastache: planting, growing and care
Family sheet
by Valérie 12 min.
Agastache: planting, growing and care
Read article

Agastache rupestris in pictures

Agastache rupestris  (Flowering) Flowering
Agastache rupestris  (Foliage) Foliage
Agastache rupestris  (Plant habit) Plant habit

Flowering

Flower colour salmon
Flowering time July to September

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 60 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Agastache

Species

rupestris

Family

Lamiaceae

Other common names

Rocky giant hyssop

Origin

Cultivar or hybrid

Product reference8555111

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Planting and care

It requires warmth and the driest possible soil in winter, especially in humid regions.

Planting period

Recommended planting time March to June

Intended location

Suitable for Shaded rockery, Woodland edge, Undergrowth
Type of use Border
Hardiness Hardy down to -15°C (USDA zone 7b) 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 Moist soil

Care

Disease resistance Very good
Overwinter Can be left in the ground
4,5/5
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