General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet Mesic
Mesic
Dry Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Plant Height: 3 - 5 feet
Plant Spread: 1 - 3 feet
Fruit: Edible to birds
Fruiting Time: Late summer or early fall
Fall
Flowers: Showy
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Summer
Late summer or early fall
Uses: Cut Flower
Will Naturalize
Wildlife Attractant: Bees
Birds
Butterflies
Resistances: Humidity tolerant
Propagation: Seeds: Provide light
Stratify seeds: 1 month cold moist treatment
Suitable for wintersowing
Propagation: Other methods: Cuttings: Root
Division
Pollinators: Beetles
Moths and Butterflies
Flies
Bees

Image
Common names
  • False Sunflower
  • Rough Heliopsis
  • Orange Sunflower
  • Ox-Eye
  • Early Sunflower
  • Ox-Eye Sunflower
  • Smooth Ox-Eye

This plant is tagged in:
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Comments:
  • Posted by Catmint20906 (PNW WA half hour south of Olympia - Zone 8a) on Aug 23, 2014 5:48 PM concerning plant:
    Rough Heliopsis (Heliopsis helianthoides) is a nectar source for Monarchs, Crescents, and other butterflies. It also attracts Clearwing moths. A native to North America, it is attractive to a variety of native bees, including leafcutter, longhorn, green sweat, bumble, small carpenter, and cuckoo bees. It may also attract hummingbirds. A perennial, it blooms bright yellow in mid to late summer, and enjoys full sun and medium to dry soil.
  • Posted by chelle (N.E. Indiana - Zone 5b and Florida) on Aug 27, 2014 6:25 AM concerning plant:
    In year four, here in zone 5b/6, a single Heliopsis helianthoides plant has grown into a small stand of about five plants. The original plant has finished blooming and set seeds, but the self-sown first-year plants have now begun to bloom. In this type of naturalized situation, it's possible to have blooms for many months in a very low maintenance area. The blooms provide nectar for pollinators and the seeds provide food for seed-eating birds. Goldfinch in particular are very fond of the seeds of Oxeye Sunflower. The plant is also attractive to red aphids, but it appears to weather heavy infestations without permanent damage. Cold stratification is helpful for germination, so winter-sowing the seeds would be a good method to employ.
  • Posted by Skiekitty (Denver Metro - Zone 5a) on Feb 19, 2013 1:32 PM concerning plant:
    This is a volunteer in my yard. Almost impossible to eradicate, so I just let it be. Blooms whether I water it or not, attracts bees. Good through zone 5 xeric with no protection in a rock garden setting.
Plant Events from our members
Catmint20906 On June 12, 2015 Bloomed
MrsBinWY On March 10, 2017 Seeds sown
coffee filter in baggie in fridge for 30 days, little bit of H2O2, 16 seeds from molanic; jugged 4-15-17
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