Nodding Onion Gardens

Native Plant Nursery

Columbia Station, Ohio, USA

Heliopsis helianthoides

Early Sunflower 

Early Sun Flower -  Heliopsis helianthoides
Heliopsis helianthoides - Early Sunflower
Photo - Roger Dahlin - Baldwinsville, Ny
Cultivation Information
Height - 3 to 5 ft
Flower Color - Yellow
Blooms - June to September
Sun - Full sun to part shade
Hardy Zone - 5 to 9
Soil - Moist to dry

Family - Asteraceae

Cultivate - perennial sunflower spreads easily
Swallowtail on Early Sunflower
Swallowtail on Early Sunflower
Early Sunflower Seeds
Seeds are black - to the left of the quarter
Propagation Notes - Stratifying Seeds 2013

January 2, 2013
- Seeds placed in Cold Moist Storage  

Fall 2012 - Seeds Collected at Nodding Onion Gardens

Supplies Needed For Seed Stratification -

1. Zip lock plastic bag

2. Few table spoons of Vermiculite

3. Dampen vermiculite - not soggy

4. Store in refrigerator for 30 days

Seed Provenance - Nodding Onion Gardens - 2011 - present - Prairie Moon Nursery, Winona, MN - 2010
Early Sunflower
Early Sundlower - Fall 2102
Early Sun Flower  - Heliopsis helianthoides
Early Sun Flower Heliopsis helianthoides
Wildlife Significance
Nectar/Pollen - Provides either pollen, nectar or both for: Bees (long and short tongued), wasps, flies and pollen eating beetles.

Nectar Source - For several butterflies:Monarchs, Painted Lady, Red Admiral and skippers

Host Plant - Food for the caterpillar of the Painted Lady Butterfly, various checkerspots


Oligolectic Bees – are bees that are very particular as to what plant family they gather their nectar and pollen. False Sunflower is such a plant for several bees: Andrena accepta, Andrena aliciae, Andrena helianthi, Pseudopanurgus rugosus

Seed - feed for birds

For more details on this plant visit the Illinois Wildflower site
Ohio Native Plant - Natural Range
Visit the USDA Natural Resources Conservation Service website to view the natural range of this Early Sunflower.
native plants 44039
Early Sunflower - Baldwinsville, NY - Far right
Photo - © Roger Dahlin 
Propagation Notes - 2012

Cold Storage 30 days
- Small Zip lock plastic bag with a few table spoons of  moistened vermiculite

Seeds Planted - 2-12-2012

Sprouted - 2-19-2012 - Many!

Night Temperature - 61 - 63°F

Day Temperature - 64 - 65°F -Under florescent lights

Natural Sunlight - 
Exposed a few hours each day to sunlight