Rudbeckia amplexicaulis

Clasping Coneflower

In Stock: 0.927 lb (Total:0.927lb)
  • RUDBECKIA amplexicaulis

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0.93 lb


Germination test:
Seeds per lb:
0.93 lb
Collected in:
Crop year:
Min. hardiness zone:
Item ID:

Growing Info

Scarification: none required
Stratification: none required
Germination: sow seed 1/16" deep, tamp the soil, lightly mulch the seed bed.

In a Nutshell:

* Annual that is easily grown in average, dry to medium, well-drained soils in full sun. Perhaps best in moist, organically rich soils. Tolerates light shade. Also tolerates heat, drought and a wide range of soil conditions except poorly-drained wet ones.
* Deadhead spend flowers to encourage additional bloom and/or to prevent any unwanted self-seeding. Will remain in the garden through self-seeding.
* Dracopis amplexicaulisis sometimes called clasping coneflower because its leaves clasp the stems. It is an annual that is native from Georgia to Texas north to Missouri and Kansas.
* Garden Uses

Beds, borders and native plant areas. more...

Short description:

Usda description:

Conservation Plant Characteristics

Dracopis amplexicaulis (Vahl) Cass.
clasping coneflower

Duration Annual
Growth Habit Forb/herb
Native Status L48 (N)
Federal T/E Status
National Wetland Indicator FACU-, FACW
Active Growth Period Spring and Summer
After Harvest Regrowth Rate
Bloat None
C:N Ratio Medium
Coppice Potential No
Fall Conspicuous No
Fire Resistant No
Flower Color Yellow
Flower Conspicuous Yes
Foliage Color Green
Foliage Porosity Summer Porous
Foliage Porosity Winter Porous
Foliage Texture Medium
Fruit/Seed Color Black
Fruit/Seed Conspicuous Yes
Growth Form Single Stem
Growth Rate Rapid
Height at 20 Years, Maximum (feet)
Height, Mature (feet) 2.0
Known Allelopath No
Leaf Retention No
Low Growing Grass No
Nitrogen Fixation None
Resprout Ability No
Shape and Orientation Erect
Toxicity None
Growth Requirements
Adapted to Coarse Textured Soils Yes
Adapted to Fine Textured Soils Yes
Adapted to Medium Textured Soils Yes
Anaerobic Tolerance Low
CaCO3 Tolerance Medium
Cold Stratification Required No
Drought Tolerance High
Fertility Requirement Low
Fire Tolerance None
Frost Free Days, Minimum 120
Hedge Tolerance Low
Moisture Use High
pH, Minimum 6.0
pH, Maximum 7.5
Planting Density per Acre, Minimum
Planting Density per Acre, Maximum
Precipitation, Minimum 10
Precipitation, Maximum 60
Root Depth, Minimum (inches) 6
Salinity Tolerance None
Shade Tolerance Intolerant
Temperature, Minimum (°F) 32
Bloom Period Late Summer
Commercial Availability Routinely Available
Fruit/Seed Abundance High
Fruit/Seed Period Begin Summer
Fruit/Seed Period End Fall
Fruit/Seed Persistence No
Propagated by Bare Root No
Propagated by Bulb No
Propagated by Container No
Propagated by Corm No
Propagated by Cuttings No
Propagated by Seed Yes
Propagated by Sod No
Propagated by Sprigs No
Propagated by Tubers No
Seed per Pound 1600000
Seed Spread Rate Rapid
Seedling Vigor High
Small Grain No
Vegetative Spread Rate None
Berry/Nut/Seed Product No
Christmas Tree Product No
Fodder Product No
Fuelwood Product
Lumber Product No
Naval Store Product No
Nursery Stock Product No
Palatable Browse Animal Low
Palatable Graze Animal Low
Palatable Human No
Post Product No
Protein Potential Medium
Pulpwood Product No
Veneer Product No
more »

Wiki description:

Dracopis is a monotypic genus with Dracopis amplexicaulis (Clasping Coneflower; syn. Rudbeckia amplexicaulis ) the sole species. It is native to North America .

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