Photo by Melody

PlantFiles: Fly Poison
Amianthium muscaetoxicum

Family: Melanthiaceae
Genus: Amianthium (am-ee-AN-thee-um) (Info)
Species: muscaetoxicum (mus-kai-TOKS-ee-kum) (Info)

One member has or wants this plant for trade.


18-24 in. (45-60 cm)

15-18 in. (38-45 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
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)

Sun Exposure:
Light Shade

All parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Unknown - Tell us


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive redcamaro350ss On Jul 23, 2009, redcamaro350ss from Statesville, NC wrote:

The plant does like moist soil... but being a native to the south-east it is also drought tolerant and clay tolerant. It is extremely poisonous so care should be taken when handling/planting this perennial. I have had it in a garden setting after rescuing a plant from a golf course from being weed-eated. Takes a while to establish but is somewhat difficult to kill once it is there. Have to be careful about pets. Eating part of the plant could result in death. Most animals leave it alone before ingesting a fatal amount due to the foul taste.

Positive MotherNature4 On Nov 18, 2005, MotherNature4 from Bartow, FL (Zone 9a) wrote:

In Florida, this poisonous plant of the lily family is found in pine flatwoods and bogs only in the Panhandle. Its moisture requirements are high.


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

Collins, Mississippi
San Augustine, Texas

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