Overview

Angelica gigas is a clump forming herbaceous perennial in the genus Angelica, part of the Apiaceae family, with deciduous foliage. It typically grows around 1.5-2.5 metres tall and 1-1.5 metres wide, reaching full size in around 2-5 years. Angelica gigas grows best in partial shade, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H6. Suggested uses include architectural, wildflower meadow, cottage and informal garden, wildlife gardens and flower borders and beds. It is native to Korea and Manchuria.

About

Angelica gigas, commonly known as purple angelica or Korean angelica, is a clump-forming herbaceous perennial or annual biennial from the Apiaceae family. It grows to a height of 1.5 to 2.5 metres with a spread of 1 to 1.5 metres, reaching full height within 2 to 5 years. This deciduous plant thrives in partial shade on west-, east-, or north-facing aspects, preferring sheltered positions with moist but well-drained clay or loam soils of varying pH. It is particularly attractive during the summer and autumn seasons.

About the genus

Angelica is a genus of about 90 species of tall biennial and perennial herbs in the family Apiaceae, native to temperate and subarctic regions of the Northern Hemisphere, reaching as far north as Iceland, Sápmi, and Greenland. They grow to 1–3 m tall, with large bipinnate leaves and large compound umbels of white or greenish-white flowers. It shows variations in fruit anatomy, leaf morphology, and subterranean structures.

Wikipedia contributors, "Angelica", CC BY-SA 4.0Angelica

Growing conditions

Best soil and position for Angelica

Sunlight
Partial shade
Soil type
Clay, Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
West-facing, East-facing, North-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Angelica gigas size, habit and characteristics

Plant type
Herbaceous Perennial, Annual Biennial
Habit
Clump forming
Foliage
Deciduous
Height
1.5-2.5 metres
Spread
1-1.5 metres
Time to full height
2-5 years
Suggested uses
Architectural, Wildflower meadow, Cottage and informal garden, Wildlife gardens, Flower borders and beds
Native to
Korea, Manchuria
Fragrance
Mildly aromatic, with a slightly musky scent

Care notes

Pruning and caring for Angelica gigas

Cultivation
Prefers moist, well-drained soil in partial shade; avoid waterlogged conditions; mulch in winter to protect roots
Pruning
Remove spent flower heads to prevent self-seeding; cut back foliage after flowering to encourage fresh growth
Propagation
Seed sown in a cold frame with good light, as soon as ripe
Pest resistance
Slugs, Snails, Aphids, Leaf miners
Disease resistance
Powdery mildews

Frequently asked questions

How do I grow Angelica gigas?

Prefers moist, well-drained soil in partial shade; avoid waterlogged conditions; mulch in winter to protect roots.

Where is the best place to plant Angelica gigas?

Angelica gigas prefers partial shade. It suits sheltered positions.

What soil does Angelica gigas need?

Angelica gigas grows best in clay and loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

How do I prune Angelica gigas?

Remove spent flower heads to prevent self-seeding; cut back foliage after flowering to encourage fresh growth.

How big does Angelica gigas grow?

Angelica gigas reaches a height of 1.5-2.5 metres and a spread of 1-1.5 metres. It takes around 2-5 years to reach full size.

Is Angelica gigas hardy in the UK?

Angelica gigas has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Angelica gigas?

Seed sown in a cold frame with good light, as soon as ripe.