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PlantFiles: Wood rose, Spanish Morning Glory, Yellow Morning Glory
Merremia tuberosa

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Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Merremia (me-REE-mee-uh) (Info)
Species: tuberosa (too-ber-OH-suh) (Info)

Synonym:Ipomoea tuberosa
Synonym:Operculina tuberosa
Synonym:Ipomoea mendesii
Synonym:Batatas tuberosa

12 members have or want this plant for trade.

Category:
Tropicals and Tender Perennials
Vines and Climbers

Height:
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Spacing:
Unknown - Tell us

Hardiness:
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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
Seed is poisonous if ingested

Bloom Color:
Gold (Yellow-Orange)

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

Foliage:
Blue-Green

Other details:
This plant is attractive to bees, butterflies and/or birds

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:
From seed; sow indoors before last frost
Scarify seed before sowing

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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to view:

By edric
Thumbnail #1 of Merremia tuberosa by edric

By edric
Thumbnail #2 of Merremia tuberosa by edric

By arsenic
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By noxiousweed
Thumbnail #4 of Merremia tuberosa by noxiousweed

By noxiousweed
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By giancarlo
Thumbnail #6 of Merremia tuberosa by giancarlo

By edric
Thumbnail #7 of Merremia tuberosa by edric

There are a total of 36 photos.
Click here to view them all!

Profile:

1 positive
3 neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Neutral BETELGEUSE312 On Jan 4, 2013, BETELGEUSE312 from ATHENS
Greece wrote:

I have been growing Merremia tuberosa for over five years now. It thrives during our long, very hot summers but dislikes winter and, if not protected, its foliage dies out only to return with a vengeance in spring (usually early May). It grows very rapidly, I chose it because I loved its spectacular yellow flowers and interesting leaves. Unfortunately I have seen its flowers only in the pictures of other people so far. My own plant has not produced even one for me. I am still hoping though...

Negative eliasastro On Mar 9, 2012, eliasastro from Athens
Greece (Zone 10a) wrote:

Attractive foliage, but the size of the plant is annoyingly enormous.
The worst of all is that i haven' t seen a single flower in nearly 10 years, despite its huge size. It is winter blooming and every year gets damaged by light frost before i see any flower buds.
The plant is tuberous and dies down in case of below freezing temperatures.
Prohibited in Florida because it is very invasive in tropical and subtropical climates.

Neutral foodiesleuth On Apr 4, 2005, foodiesleuth from Honomu, HI (Zone 11) wrote:

This plant grows wild in Hawaii. When they are in bloom, the sight is spectacular since it looks like trees and overhead power cables are draped (think kudzu, but much prettier;-)) with yards of the stuff all in bloom. I love using the dried seed pods (wood roses) in arrangements and wreaths.

Positive edric On Apr 3, 2005, edric from Oak Hill, FL (Zone 9b) wrote:

I Live in Oak Hill,FL 32759, I'm on the Southwest side of a sandridge, protected from a good portion of the wind in the winter, along side of the woods, where after growing under artficial lighting for the first winter, in spring this is where I planted. It blooms all through the fall with a bright yellow bloom, opens in morning, closes at night, then in late fall, second bloom appears as a large bud, and does not open for over three months, shortly after opening flower dries, cut when flower starts to dry, but before stem turns brown. For my current work with this species, click here, Ed
http://www.palmtalk.org/forum/index.php?showtopic=16213&st=0...

Neutral Monocromatico On Nov 16, 2003, Monocromatico from Rio de Janeiro
Brazil (Zone 11) wrote:

This plant grows naturally on clear areas, climbing and covering any shrubs and trees in its way. Its hard to erradicate. The flowers are beautiful, though, and with an uncommon color for this family.

Regional...

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

Huntington Beach, California
Big Pine Key, Florida
Miami, Florida
Oak Hill, Florida
Oakland, Florida
Sebastian, Florida
Honomu, Hawaii
Kailua Kona, Hawaii
Kapaa, Hawaii
Kihei, Hawaii
Pukalani, Hawaii
Derby, Kansas
Lafayette, Tennessee
Westmoreland, Tennessee
Houston, Texas



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