Hardy swamplily is a bulb from South Africa, grown for its large, sweetly scented pink flowers in spring and summer. It thrives in deep, moist soil in full sun and should be left undisturbed for years.
Family
Amaryllidaceae (Daffodil & onion family)
Grows as
Bulb
Light
Full sun
Water
Keep soil moist through the growing season; it thrives in wet places.
Soil
Deep, moisture-retentive soil; rich loam or mud-tolerant mix for containers.
Temperature
Hardy to USDA zone 6 or -10 °C (14 °F) if the bulb is protected from frost.
How easy
Easy
Native range
S. Africa
Climate
subtropical
About
Crinum bulbispermum is a herbaceous plant native to South Africa, Lesotho and Eswatini. It is naturalized in the Lesser Antilles, Honduras, Cuba, Florida, Texas, Louisiana, Alabama, South Carolina and North Carolina. Crinum bulbispermum is the floral emblem of the Free State province of South Africa.
How to grow it
This is one of the most commonly cultivated species, grown as an ornamental plant for its flowers. It is best grown in deep soils that receive and hold a lot of water during the growing season and should be left to grow in the same place without disturbance for many years. Plants require full sun. They also make good container plants. The species is hardy to USDA zone 6 or −10 °C (14 °F) if the bulb is protected. Propagation is by division or seeds. Seedlings will flower in their third or fourth year.
Text excerpted from the Wikipedia article Crinum bulbispermum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.