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One vendor has this plant for sale.
Family: Aspleniaceae
Genus: Asplenium (ass-PLEE-nee-um) (Info)
Species: nidus (NID-us) (Info)
Category:
Tropicals/Tender Perennials
Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness:
USDA Zone 11: above 4.5° C (40° F)
Sun Exposure:
Light Shade
Danger:
N/A
Bloom Color:
Inconspicuous/none
Bloom Time:
N/A
Foliage:
Evergreen
Smooth-Textured
Shiny/Glossy-Textured
Other details:
Requires consistently moist soil; do not let dry out between waterings
Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; sow indoors before last frost
Seed Collecting:
Seed does not store well; sow as soon as possible
This plant has been said to grow in the following regions:
Castro Valley, California
Encino, California
Hayward, California
Spring Valley, California
Bartow, Florida
Boca Raton, Florida
Jacksonville, Florida
Kathleen, Florida
Maitland, Florida
Miami, Florida
Hana, Hawaii
Honomu, Hawaii
New Orleans, Louisiana
Lafayette, Tennessee
Dallas, Texas