Agastache urticifolia - Giant Hyssop
Vivace (1.2m de haut).
Habitat
- Exposition
- Plein soleil
- Humidité
- Sol sec à moyen.
- Sol
- Sol léger à moyen. Nécessite un sol drainant.
- pH
- Sol acide ou calcaire
- Rusticité
- Zone 8
- Habitat originel
- Moist soils of open hillsides, canyons and mountain valleys, from the foothills to about 2,500 metres[212].
- Origine géographique
- Western N. America - Montana to British Columbia, south to California and Colorado.
Comestibilité
- Leaves [160].
- No further details are given, but they are most likely to be used as an aromatic flavouring in salads and cooked foods [K].
- Graines - crues ou cuites [105, 161, 177, 183, 212, 257].
- The seed is very small and fiddly to use [K].
- The dried flowers and leaves are used to make a herbal tea [183].
Usages médicinaux
- The leaves are analgesic and antirheumatic [257].
- A decoction is taken internally in the treatment of rheumatism, measles, stomach pains and colds [257].
- Externally, a poultice of the mashed leaves is applied to swellings [257].
Culture
- Prefers a warm sunny sheltered position and a well-drained soil .
- Réussi dans la plupart des sols .
- Cette espèce n'est pas suffisamment robuste pour les régions les plus froides d'Angleterre, elle tolère des températures jusqu'à -5 à -10°C [200].
- A plant is growing in a sunny bed at Kew Botanical gardens and appears fully hardy there [K].
- This species withstands temperatures down to about -40°c when fully dormant [160].
- The flowers are very attractive to bees .
Propagation
- Graines - semez au printemps sous serre et recouvrez à peine les graines .
- The seed usually germinates in 1 - 3 months at 13°c [133].
- Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse for their first year .
- Plantez les à la fin du printemps ou au début de l'été [K].
- Division au printemps .
- Fairly simple, if large divisions are used it is possible to plant them straight out into their permanent positions .
- Basal cuttings of young shoots in spring [111].
- Harvest the young shoots when they are about 10 - 15cm tall and pot them up in a lightly shaded position in a greenhouse .
- They should root within 3 weeks and can be planted out in the summer or following spring .
Calendrier
- En fleur
- 8
- Maturité des graines
- 9
Pollinisation
- Type de fleur
- Hermaphrodite (les fleurs ont des organes mâles et femelles)
- Auto-fertile
- Non
- Pollinisateurs
- Abeilles
Divers
- Pollution
- Non
- Autres réferences
- [71, 200]
Réferences
[71] A California Flora. 1959.
An excellent flora but no pictures. Not for the casual reader.
An excellent flora but no pictures. Not for the casual reader.
[105] Tanaka's Cyclopaedia of Edible Plants of the World. 1976.
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
[111] Popular Hardy Perennials. 1926.
A fairly wide range of perennial plants that can be grown in Britain and how to grow them.
A fairly wide range of perennial plants that can be grown in Britain and how to grow them.
[133] Growing from Seed. Volume 1. 1987.
Very readable magazine with lots of information on propagation.
Very readable magazine with lots of information on propagation.
[160] Wonder Crops. 1987.
Fascinating reading, this is an annual publication. Some reports do seem somewhat exaggerated though.
Fascinating reading, this is an annual publication. Some reports do seem somewhat exaggerated though.
[161] Food Plants of the N. American Indians. Publication no. 237.
A comprehensive but very terse guide. Not for the casual reader.
A comprehensive but very terse guide. Not for the casual reader.
[177] Plants for Human Consumption. 1984.
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
[183] Cornucopia - A Source Book of Edible Plants. 1990.
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
[200] The New RHS Dictionary of Gardening. 1992. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[212] A Field Guide to Rocky Mountain Wildflowers 1963.
Excellent little pocket guide to the area, covering 590 species and often giving details of their uses.
Excellent little pocket guide to the area, covering 590 species and often giving details of their uses.
[257] Native American Ethnobotany 1998.
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
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