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PlantFiles: Crucifix Orchid, Rainbow Orchid
Epidendrum radicans

 
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Family: Orchidaceae (or-kid-AY-see-ee) (Info)
Genus: Epidendrum (ep-ih-DEN-drum) (Info)
Species: radicans (RAD-ee-kans) (Info)

22 members have or want this plant for trade.

Category:
Perennials
Tropicals and Tender Perennials
Vines and Climbers

Height:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Spacing:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Hardiness:
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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Gold (Yellow-Orange)

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Unknown - Tell us

Other details:
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds

Click thumbnail
to view:

By CaptMicha
Thumbnail #1 of Epidendrum radicans by CaptMicha

By WalterT
Thumbnail #2 of Epidendrum radicans by WalterT

By giancarlo
Thumbnail #3 of Epidendrum radicans by giancarlo

By CaptMicha
Thumbnail #4 of Epidendrum radicans by CaptMicha

By kennedyh
Thumbnail #5 of Epidendrum radicans by kennedyh

By kennedyh
Thumbnail #6 of Epidendrum radicans by kennedyh

By kennedyh
Thumbnail #7 of Epidendrum radicans by kennedyh

There are a total of 32 photos.
Click here to view them all!

Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive CaptMicha On Dec 22, 2007, CaptMicha from Brookeville, MD (Zone 7a) wrote:

This is the one orchid I can count on to flower. I don't even have to do anything special. It doesn't get enough light, sometimes it gets too much and gets scorched, sometimes it gets too much water, sometimes not enough, sometimes it gets really hot, other times it gets really cold, fed or not fed this is a truly rewarding orchid.

Positive WalterT On Sep 11, 2004, WalterT from San Diego, CA (Zone 10a) wrote:

I have just added a closeup image of a flower from this plant which shows the cruciform feature. The plant is growing outdoors in my garden in a frostfree area of San Diego, CA. Sunset Western Garden Book states that radicans (or ibaguense, as they prefer to call it) originated in Colombia, S. A., and can stand brief temperatures down to 28 degrees F. with minimal damage. Cultivars exist in various colors: yellow, orange, pink lavendar and white. I find the lavendar type to be particularly beautiful. Diluted, high-nitrogen liquid fertilizer is beneficial during the growing season. This plant grows readily from cuttings. WalterT.

Positive nanette0269 On May 24, 2004, nanette0269 from Bradenton, FL (Zone 9b) wrote:

This plant branches freely, and throws out lateral growths and aerial roots quickly. Best grown on where support of the lateral growths can be provided, like next to a fence. Radicans tolerates a wide variety of temperature conditions as well. Can be used to form a low hedge. I saw one at a botanical garden that is growing about 50 feet from a salt water bay, facing west.

Epidendrum radicans bears a densely flowered head of long-lasting red/orange flowers, with yellow throats, which rises above the foliage.

Regional...

This plant has been said to grow in the following regions:

Chula Vista, California
Mission Canyon, California
San Diego, California (2 reports)
Big Pine Key, Florida
Cape Coral, Florida
Fort Meade, Florida
Homestead, Florida
Miami, Florida
Miami Beach, Florida
Ocoee, Florida
Oldsmar, Florida
Osprey, Florida
Pembroke Pines, Florida
Pinellas Park, Florida
Pompano Beach, Florida
Port Saint Lucie, Florida
Rockledge, Florida
Royal Palm Beach, Florida
Sebring, Florida
Stuart, Florida
Tampa, Florida
West Vero Corridor, Florida
Yulee, Florida
Okatie, South Carolina
Port Arthur, Texas



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