Flat-Top Goldentop

Euthamia graminifolia

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Euthamia
Species:
Euthamia graminifolia

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
Bloom Colors:
Yellow

Native Range

United States: Alabama, Colorado, Connecticut, District of Columbia, Delaware, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Ontario, Prince Edward Island, Quebec, Saskatchewan

Keystone Species Ranking

Bee Keystone:
★★★★☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Host Plant for Caterpillars

Coleophora intermediella, Cucullia florea, Epiblema desertana, Eucosma cataclystiana, Goldenrod Gall Moth (Epiblema scudderiana), white-dotted groundling (Condica videns)

Reported Fauna Sightings

Bees: Bombus ternarius (Bombus ternarius), Bombus ternarius (Bombus ternarius), Bombus terricola (Bombus terricola), Bombus terricola (Bombus terricola), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), bumblebee (Bombus Latreille), bumblebee (Bombus Latreille), Common eastern bumble bee (Bombus impatiens), Common eastern bumble bee (Bombus impatiens), Half-black bumble bee (Bombus vagans), Half-black bumble bee (Bombus vagans), Lemon cuckoo bumble bee (Bombus citrinus), Lemon cuckoo bumble bee (Bombus citrinus), Red-belted bumble bee (Bombus rufocinctus), Red-belted bumble bee (Bombus rufocinctus), 🛑Rusty-patched bumble bee (Bombus affinis), 🛑Rusty-patched bumble bee (Bombus affinis) Leafcutter Bees: leafcutter bees (Megachile Latreille)

Soil Requirements

Soil Type:
moist, sandy to loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
often found in wet meadows and along streams

Germination Information

Pre-treatment: Mix the seeds with an equal amount of either perlite or vermiculite. Seal mixture into a Ziploc-style bag or a Rubbermaid-style container, 1-3 months of moist cold stratification (refrigerator or cold garage). Cold store until planted (up to 3 years).

Source: npn.rngr.net