Photo by Melody

PlantFiles: Asitaba, Ashitiba
Angelica keiskei

Family: Apiaceae (ay-pee-AY-see-ee) (Info)
Genus: Angelica (an-JEL-ee-kuh) (Info)
Species: keiskei (KAY-skee-ee) (Info)

11 members have or want this plant for trade.


6-8 ft. (1.8-2.4 m)

18-24 in. (45-60 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade

Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Chartreuse (Yellow-Green)

Bloom Time:
Late Spring/Early Summer

Grown for foliage

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible

Click thumbnail
to view:

By BoTierra
Thumbnail #1 of Angelica keiskei by BoTierra

By BoTierra
Thumbnail #2 of Angelica keiskei by BoTierra

By BoTierra
Thumbnail #3 of Angelica keiskei by BoTierra


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive BoTierra On Mar 18, 2012, BoTierra from Bolinas, CA wrote:

Ashitaba (Angelica keiskei) is without a doubt one of the most exciting discoveries we have made in our plant trials here at the BoTierra Biodiversity Research Center.
This amazing medicinal super-food from the Longevity Islands of Japan has been know for centuries as a healing herb and leafy green vegetable and is rich in vitamins, minerals, enzymes, amino acids, and fiber, containing the rare key factor - chalcones: bio-flavonoids with high levels of anti-oxidant activity exceeding that of red wine and green tea. Ashitaba is one of the few vegetable sources of vitamin B-12 not derived from animal or sea plants.
The list of health benefits attributed to this member of the celery family runs on for pages. It is presently being investigated for: blood pressure and anemia; anti-tumor and immune stimulating effects; anti-viral and anti-bacterial activity; support for healthy digestion and intestinal function; cleansing of skin ailments and complexion; menopause; and support for lactation, both in animals and humans.
Ashitaba grows well in the maritime climate of coastal California although it adapts well to a variety of climatic conditions; tolerates frost; likes damp to wet soil; and grows well in containers. As a biennial with a two-year life span it forms umbelliferous seed heads at the end of the second year. Seeds should be planted soon after maturity as they loose their vitality rapidly. Leaves and stalks can be eaten raw, dried as tea, steamed as a vegetable, or even made as tempura, soba noodles, or juiced with other vegetables as they do in "Ashita - bars" in Japan.
This is a "five stars" plant worthy of trial in every garden!


This plant has been said to grow in the following regions:

Bolinas, California
Los Angeles, California
Raleigh, North Carolina

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