Wood rose, Spanish Morning Glory, Yellow Morning Glory

Merremiatuberosa

Family
Convolvulaceae (kon-volv-yoo-LAY-see-ee)
Genus
Merremia (me-REE-mee-uh)
Species
tuberosa (too-ber-OH-suh)
Synonym
Ipomoea tuberosa
Operculina tuberosa
Ipomoea mendesii
Batatas tuberosa
Sun Exposure
Height
30-40 ft. (9-12 m)
over 40 ft. (12 m)
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)
Bloom Color
Bloom Time
Late Winter/Early Spring
Mid Fall
Late Fall/Early Winter
Mid Winter
Other Details
Water Requirements
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
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
Seed Collecting
Regional

This plant is said to grow outdoors 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

Wailua Homesteads, Hawaii

Derby, Kansas

Lafayette, Tennessee

Westmoreland, Tennessee

Houston, Texas

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Gardener's Notes:

1
positive
3
neutrals
1
negative
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B
| January 2013 | neutral

I have been growing Merremia tuberosa for over five years now. It thrives during our long, very hot summers but dislikes winter and, if n...Read More

E
(Zone 10a) | March 2012 | negative

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 ...Read More

F
Honomu, HI (Zone 11) | April 2005 | neutral

This plant grows wild in Hawaii. When they are in bloom, the sight is spectacular since it looks like trees and overhead power cables ar...Read More

E
E
Oak Hill, FL (Zone 9b) | April 2005 | positive

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 sid...Read More

M
(Zone 11) | November 2003 | neutral

This plant grows naturally on clear areas, climbing and covering any shrubs and trees in its way. It´s hard to erradicate. The flowers a...Read More

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