Agastache foeniculum

giant hyssop, Agastache foeniculum 07JL22
giant hyssop, Agastache foeniculum 09JL23

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giant hyssop, Agastache foeniculum 13JL24

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giant hysop, Agastache foeniculum 13JL24

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characteristics

A tall, sturdy perennial with square stems. Oval, toothed leaves are opposite; green above, whitish beneath. When bruised a scent of anise is released. Small, tubular blue-violet flowers are in spikes, flowering throughout the summer. Prolific self-seeder; can become invasive.

Member of the mint family.

Deer resistant.

Starts from seed, container, cuttings

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P W 1.2 0.4 S/PS F-M-C M - - - green grey lavender

habitat

Open, semi shaded areas.

uses

Anise scented leaves and flowers are a pleasant addition in salads or as tea.

Hummingbirds, bees and butterflies like the nectar. Birds — especially goldfinches — eat the seeds.

Excellent cut or dried flower.

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common > name = have on site
T = type: A = annual | B = biennial | P = perennial | SS = subshrub | D = deciduous | C = coniferous
██ = cold stratify | ██ = cold stratify & scarify | ██ = plant directly | ██ = scarify | ██ = not from seed
SSN = season: C = cool | W = warm | Y = late
H = height (in metres) | W = width (in metres) | B = bunch | S = sod | SB = sod/bunch
sun: S = full sun | S/PS = sun or partial shade | PS = partial shade | SH = full shade
soil: F = fine | M = medium | C = coarse
H2O = moisture requirement: D = dry | M = moist | W = wet | Z = aquatic
fire = fire tolerance: - = unknown | X = none | = some | •• = moderate | ••• = high tolerance
N2 = nitrogen fixing: = yes
summer = foliage colour | fall = foliage (stem) colour | flower (seed) = flower (seed / fruit) colour, if conspicuous
pH = acidity - alkalinity