Weakleaf Bur Ragweed

Ambrosia confertiflora

Weakleaf Bur Ragweed

Richard Spellenberg

Taxonomy

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

Growth Characteristics

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

Native Range

United States: Arizona, California, Colorado, Kansas, New Mexico, Nevada, Oklahoma, Puerto Rico, Tennessee, Texas, Utah

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid and semi-arid regions