Medicinal Herb
Korean Angelica is a striking heirloom flower native to Korea that commands attention in any garden with its tall, architectural stems and deep burgundy-purple blooms. Rising 4 to 6 feet tall, this frost-hardy perennial thrives in zones 5 and produces flowers from early summer through late fall, attracting pollinators throughout the season. It's a plant that bridges seasons and brings drama to the garden with minimal fuss, handling moderate watering and full sun with the resilience of a true heirloom.
Full Sun
Moderate
5-5
72in H x 24in W
Biennial
Moderate
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Korean Angelica grows as a commanding presence in the garden, reaching up to 72 inches with a compact 18-to-24-inch footprint that fits surprisingly well in planned borders. The deep burgundy flowers that bloom from June through November are a magnet for pollinators, and the plant's frost-hardiness makes it reliable even in colder climates. Seeds require a specific cool-then-warm stratification period to germinate, but once established, this heirloom performs with confidence and minimal intervention.
Korean Angelica is grown primarily as an ornamental flower for its striking dark burgundy blooms and tall, sculptural growth habit. The flowers attract and support pollinators throughout the extended blooming season, making it valuable in pollinator gardens and in landscapes designed to support beneficial insects from summer into late fall.
Sow seeds indoors in pots 8 weeks before your last spring frost. Korean Angelica seeds require stratification to germinate: keep seeds cool and dry (refrigeration works well) until sowing time. After sowing at a depth of 1/16 inch, keep trays at 35-40°F for 2 to 3 weeks to cold-stratify, then move to warm conditions of 60-70°F for germination. Germination typically takes 21 to 60 days. If no sprouts appear after 4 weeks, chill the trays again for an additional stratification cycle. Alternatively, move your indoor trays outside for two to three weeks to experience natural temperature fluctuations, then bring them back inside to finish germinating.
Transplant seedlings outdoors after the last frost date in spring. Harden off plants gradually by exposing them to outdoor conditions over 7 to 10 days before planting. Space plants 1 inch apart in full sun with moderate moisture and soil pH of 6.0-7.0.
Direct sow in fall or earliest spring for natural stratification. Winter sowing into pots in a shaded location also works well for Korean Angelica, allowing the cold season to fulfill the plant's germination requirements.
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“Korean Angelica carries the heritage of traditional Asian herbalism and ornamental gardens, where Angelica species have been cultivated for centuries. As a heirloom variety, it represents generations of seed saving and selection within Korean growing traditions, eventually reaching Western gardeners through seed catalogs and plant enthusiasts who recognized its ornamental and cultural value. The plant's journey from Korean gardens to global cultivation reflects the broader movement to preserve and celebrate diverse plant heritage.”