Hardy Swamplily, Deep Sea Lily, Orange River Lily

Crinum bulbispermum

Family
Amaryllidaceae (am-uh-ril-id-AY-see-ee)
Genus
Crinum (KRY-num)
Synonym
Crinum longifolium
Sun Exposure
Full Sun
Foliage
Height
18-24 in. (45-60 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Pale Pink
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Bulbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Blue-Green
Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Lowndesboro, Alabama

Green Cove Springs, Florida

Jacksonville, Florida

Dahlonega, Georgia

Horse Cave, Kentucky

Coushatta, Louisiana

Franklinton, Louisiana

Liberty, North Carolina

North Augusta, South Carolina

San Antonio, Texas

Lanexa, Virginia

show all

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
Sort By:
Sort By:
C
ROSLINDALE, MA | January 2014 | neutral

This is one of the hardiest crinums. I've read several believable reports of this being reliably hardy in the ground to Zone 5b in Westfi...Read More

R
Dahlonega, GA (Zone 7b) | July 2011 | positive

at least some bulbispermum will grow to zone 5. I received some seed from central Indiana.

Featured
Tropical Hibiscus 'Stuffed Jalapeno'
(Hibiscus rosa-sinensis)
Hummingbird Moth
(Hemaris thysbe)
Spotted Dove
(Spilopelia chinensis)
Featured
Tropical Hibiscus 'Stuffed Jalapeno'
(Hibiscus rosa-sinensis)
Hummingbird Moth
(Hemaris thysbe)
Spotted Dove
(Spilopelia chinensis)