Santa Maria Feverfew

Parthenium hysterophorus

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Parthenium
Species:
Parthenium hysterophorus

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, nov
Bloom Colors:
white

Native Range

United States: Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Illinois, Kansas, Louisiana, Massachusetts, Maryland, Michigan, Missouri, Mississippi, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Puerto Rico, South Carolina, Texas, Virginia, Virgin Islands

Host Plant for Caterpillars

asthenaria moth (Pleuroprucha asthenaria), blackberry looper (Chlorochlamys chloroleucaria), clearwing borer (Carmenta ithacae), common eupithecia (Eupithecia miserulata or nr.), Common Pinkband (Ogdoconta cinereola), common tan wave (Pleuroprucha insulsaria), Eupithecia pr. miserulata, garden webworm moth (Achyra rantalis), Hypomecis nr. umbrosaria, Omnivorous Leafroller (Platynota rostrana), Platynota nigrocervina, Rachiplusia ou, Ragweed Borer Moth (Epiblema strenuana), southern emerald (Synchlora frondaria), Soybean Looper (Pseudoplusia includens), Sutor moth (Condica sutor), Bordered Patch (Chlosyne lacinia)

Soil Requirements

Soil Type:
poor, sandy, well-drained soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed soils and open areas