Sessile Joyweed

Alternanthera sessilis

Native to:
Andaman Is., Australia, Bangladesh, Belize, Bolivia, Borneo, Brazil, Cambodia, Cayman Is., China, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, French Guiana, Guam, Guatemala, Guyana, Haiti, Honduras, India, Iran, Iraq, Jamaica, Japan, Jawa, Laccadive Is., Laos, Lebanon-Syria, Leeward Is., Lesser Sunda Is., Malaya, Maluku, Mexico, Myanmar, Nansei-shoto, Nepal, New Guinea, Nicaragua, Nicobar Is., Ogasawara-shoto, Pakistan, Palau, Panamá, Paraguay, Peru, Philippines, Puerto Rico, Saudi Arabia, Solomon Is., Sulawesi, Sumatera, Suriname, Taiwan, Thailand, Transcaucasus, Trinidad-Tobago, United States, Vietnam, Virgin Islands, Windward Is., Yemen

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Amaranthaceae
Genus:
Alternanthera
Species:
Alternanthera sessilis
USDA Symbol:
ALSE4

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
white

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Garden & Ecology Notes

Wildlife Value:
waterfowl, fish habitat

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Common in wetlands and marshy areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds require light and warm temperatures (25-30°C) for germination. Can also propagate readily from stem cuttings.

The above propagation data sourced from Claude AI