Manihot Species, Hardy Tapioca

Manihotgrahamii

Family
Euphorbiaceae (yoo-for-bee-AY-see-ee)
Genus
Manihot (MAN-ee-hot)
Species
grahamii (GRAM-ee-eye)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
36-48 in. (90-120 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)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Pale Yellow
Cream/Tan
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Suitable for growing in containers
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Bag seedheads to capture ripening seed
Properly cleaned, seed can be successfully stored
Regional

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

Huntsville, Alabama

Ohatchee, Alabama

Davis, California

Encinitas, California

Los Angeles, California

San Diego, California

Vista, California(9 reports)

Jacksonville, Florida

Tallahassee, Florida

Tampa, Florida

Horse Cave, Kentucky

Saint Francisville, Louisiana

Sulphur, Louisiana

Petal, Mississippi

Elizabeth City, North Carolina

Emerald Isle, North Carolina

Henderson, North Carolina

Raleigh, North Carolina

Portland, Oregon

Bluffton, South Carolina

Hilton Head Island, South Carolina

Ladys Island, South Carolina

Lexington, South Carolina

Loris, South Carolina

Austin, Texas

Denton, Texas

Huntsville, Texas

Shepherd, Texas

Saint George, Utah

Salt Lake City, Utah

Norfolk, Virginia

show all

Featured Videos

Gardener's Notes:

4
positives
4
neutrals
1
negative
Sort By:
Sort By:
U
Salt Lake City, UT (Zone 7b) | September 2022 | positive

I have been really impressed with the hardiness of Manihot grahamii, I know of a specimen that has been in the ground for more than 5 yea...Read More

C
ROSLINDALE, MA | August 2017 | negative

Here in Jalisco (Mexico), this is considered a weed. It self-sows aggressively and grows astonishingly quickly. I cut a 20' tree (trunk d...Read More

A
| July 2016 | neutral

Hi, i am very intrested to grow this plant, but i have not find it in sale. Maybe it is possible to buy the seeds somewhere. I would be v...Read More

Q
Q
Shepherd, TX (Zone 8b) | July 2011 | neutral

I got mine about 10 years ago as a little cutting (or seedling, it's hard to tell as they can be propagated both ways) that basically loo...Read More

S
Lady's Island, SC (Zone 9a) | December 2009 | positive

I moved this plant three times (and may move it again later this winter), as it was not getting enough sunlight to thrive. Even so, the d...Read More

H
Emerald Isle, NC | August 2009 | positive

recived this plant from a raleigh n c plant swat about six inches tall it is now about ten ft tall and loks outstanding here in zone 8 it...Read More

S
San Diego, CA | November 2007 | positive

An attractive, delicate-foliaged large shrub to small tree (10-12 feet). Over several years it can form a fairly thick trunk. I finally h...Read More

G
(Zone 10b) | February 2006 | neutral

Mmmmm... what can I say about this small tree? It grows everywhere here in Buenos Aires and it is actually considered a weed!
It's...Read More

P
Acton, CA (Zone 8b) | July 2003 | neutral

When I first saw this 'tree' growing in a plant nut's garden, I had to have one. This guy had them all over his back yard- these tall (u...Read More

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