Index / Search / Helianthus debilis
§1 Plant
Helianthus debilis Nutt.
vernacular cucumberleaf sunflower — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Helianthus
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 137 counties across 16 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- Medium
- Anaerobic
- Low
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 22 °F minimum
- Frost-free days
- 300 min.
- Precipitation
- 35–60 in/yr
- pH range
- 5.2–7.2
- Root depth
- 14 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Stoloniferous
- Growth rate
- Slow
- Lifespan
- Moderate
- Mature height
- 0.5 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- Yes
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- Low
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 324,000
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 137 counties across 16 states/territories.
Alabama view state ↗ 3 N ▾
Florida view state ↗ 27 N ▾
- Bay 12005
- Brevard 12009
- Broward 12011
- Charlotte 12015
- Columbia 12023
- Escambia 12033
- Flagler 12035
- Franklin 12037
- Gulf 12045
- Hillsborough 12057
- Indian River 12061
- Jackson 12063
- Lake 12069
- Lee 12071
- Levy 12075
- Madison 12079
- Manatee 12081
- Martin 12085
- Miami-Dade 12086
- Orange 12095
- Palm Beach 12099
- Pinellas 12103
- Sarasota 12115
- St. Johns 12109
- St. Lucie 12111
- Volusia 12127
- Wakulla 12129
Georgia view state ↗ 8 N ▾
Louisiana view state ↗ 3 N ▾
Maine view state ↗ 1 N ▾
Massachusetts view state ↗ 6 N ▾
Michigan view state ↗ 2 N ▾
New Hampshire view state ↗ 2 N ▾
North Carolina view state ↗ 14 N ▾
Pennsylvania view state ↗ 2 N ▾
Rhode Island view state ↗ 1 N ▾
South Carolina view state ↗ 15 N ▾
Texas view state ↗ 47 N ▾
- Anderson 48001
- Aransas 48007
- Atascosa 48013
- Austin 48015
- Bastrop 48021
- Bexar 48029
- Brazos 48041
- Burleson 48051
- Caldwell 48055
- Calhoun 48057
- Cherokee 48073
- DeWitt 48123
- Dimmit 48127
- Fayette 48149
- Frio 48163
- Galveston 48167
- Gonzales 48177
- Grimes 48185
- Guadalupe 48187
- Hardin 48199
- Henderson 48213
- Houston 48225
- Karnes 48255
- Lavaca 48285
- Lee 48287
- Leon 48289
- Liberty 48291
- Limestone 48293
- Madison 48313
- McLennan 48309
- Medina 48325
- Milam 48331
- Montgomery 48339
- Nacogdoches 48347
- Newton 48351
- Robertson 48395
- Rusk 48401
- San Augustine 48405
- Shelby 48419
- Smith 48423
- Travis 48453
- Tyler 48457
- Upshur 48459
- Victoria 48469
- Washington 48477
- Williamson 48491
- Wood 48499
Vermont view state ↗ 2 N ▾
Virginia view state ↗ 3 N ▾
West Virginia view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/HEDE4 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3119191 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z