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Hymenoxys Species, Hoopes' Sneezeweed, Orange Sneezeweed, Owl's Claws

Hymenoxyshoopesii

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Hymenoxys hoopesii by crazy_gardener
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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Hymenoxys (hy-men-OKS-iss)
Info
Species
hoopesii (HOOPS-ee-eye)
Info
Synonym
Helenium hoopesii
Dugaldia hoopesii
Heleniastrum hoopesii
Sun Exposure
Full Sun
Foliage
Herbaceous
This plant is resistant to deer
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Flagstaff, Arizona

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Gardener's Notes:

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T
T
Terry
Murfreesboro, TN (Zone 7a) | January 2003 | neutral

Unlike other Heleniums, H. hoopesii grows from a woody taproot, and can't be divided; propagates only by seed.

J
J
jody
MD &, VA (Zone 7b) | August 2001 | neutral

Tolerates drier conditions than hybrids

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