Aconitum carmichaelii 'ARENDSII'

Aconitum carmichaelii 'ARENDSII'
autumn monskhood

SIZE/TYPE	mid-sized perennial
USUAL HEIGHT	1-1.3m
USUAL WIDTH	0.3-0.5m
LEAVES	deciduous broadleaf
COLOUR OF LEAVES	green
FLOWERS	showy
COLOUR OF FLOWERS	deep purple
BLOOMING TIME	September - October
LOCATION	full to partial sun
USDA zone (lowest)	3 (down to -40°C)
WINTER PROTECTION
FOR ZONE 5+6
FOR ZONE 7
BELONGS TO CATEGORIES	Perennials

Autumn or azure monkshood is a showy perennial flowering from late summer till autumn. Arendsii is a variety producing erect racemes of large, hooded flowers that are more indigo blue rather than violet. They appear from September till October along sturdy stems that grow just over a meter tall. The wise thing about this monkhood is that since the blooming time is very late in the season, it offers something more to gain your attention early in the season: very attractive, deeply cut, dark green, glossy leaves.

Monkshood is a popular cut flower. It is used especially in Chinese medicine, yet some caution is advised when working with the plant as all its parts are highly poisonous. Wearing gloves is suggested.

It grows in almost any moist soil but prefers deep and humus-rich soil. It likes full sun or part shade. Fertilizing is not necessary but may enhance flowering – producing shorter racemes just below the main one. Fully hardy to about -40 °C (USDA zone 3).

Last update 03-10-2013; 02-12-2022

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GLOSSARY

STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
SHRUB - a woody plant with branches growing bushy from the ground level.
HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.