Ragweed

Ambrosia × helenae

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Ambrosia
Species:
Ambrosia × helenae

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul, aug, sep, oct, nov
Bloom Colors:
White, Yellow, Green

Native Range

United States: Arkansas, Connecticut, Iowa, Illinois, Michigan, New York, Ohio, Canada: Ontario, Quebec

Soil Requirements

Soil Type:
well-drained, sandy loam
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open, disturbed areas