Helianthus Species, Beach Sunflower, Cucumber-Leaf Sunflower, Dune Sunflower

Helianthusdebilis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Helianthus (hee-lee-AN-thus)
Species
debilis (deb-IL-iss)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Provides Winter Interest
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Bright Yellow
Bloom Time
Blooms all year
Blooms repeatedly
Other Details
Category
Groundcovers
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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 herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Regional

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

Mobile, Alabama

Big Pine Key, Florida

Boca Raton, Florida

Bokeelia, Florida

Brandon, Florida

Brooksville, Florida

Cape Coral, Florida

Casselberry, Florida

Dade City, Florida

Daytona Beach, Florida

Debary, Florida

Delray Beach, Florida

Flagler Beach, Florida

Fort Lauderdale, Florida(3 reports)

Hobe Sound, Florida

Hollister, Florida

Hollywood, Florida

Hudson, Florida

Immokalee, Florida

Jacksonville, Florida(2 reports)

Lady Lake, Florida

Lake Worth, Florida

Largo, Florida

Melbourne, Florida

Melbourne Beach, Florida

Miami, Florida

Milton, Florida

Ocala, Florida

Oldsmar, Florida

Pompano Beach, Florida

Port Orange, Florida

Sarasota, Florida

Satellite Beach, Florida(2 reports)

Sebring, Florida

Spring Hill, Florida

Tarpon Springs, Florida

Trenton, Florida

Umatilla, Florida

West Palm Beach, Florida(4 reports)

New Orleans, Louisiana

Marlborough, Massachusetts

Charleston, South Carolina

show all

Featured Videos

Gardener's Notes:

7
positives
5
neutrals
0
negative
Sort By:
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L
New Smyrna Beach, FL | June 2012 | neutral

Where can this plant be purchased??

P
Satellite Beach, FL | May 2012 | neutral

I live just north of Satellite Beach, Florida. his critter grows right above the surf - with no tending. I have it in my yard, about 3/...Read More

K
Immokalee, FL | May 2012 | positive

Finally, now I know what's growing in my yard. This plant covers a multitude of brush and branches at the edge of our yard; very nicely....Read More

N
Willis, VA | May 2012 | neutral

I would LOVE to have this plant, but I live in Southwest Virginia and doubt that it would survive the winters here(?) The temperature so...Read More

T
T
North Andrews Gardens, FL | May 2012 | neutral

Grows very easily in South East Florida as a ground cover, left to its own natural wonderful-ness. It can replace thirsty water bills an...Read More

S
Hollister, FL | August 2010 | neutral

I would like, so much, to have this plant. I planted it last year (obtained from Ace Hardware), it did not come back after, I guess, a h...Read More

S
Coppell, TX | July 2010 | positive

This plant has come up in a new bed, been in constant bloom and is quite beautiful. No spreading, possibly resulting from clay soil. Sa...Read More

A
Largo, FL | July 2008 | positive

I BOUGHT 8 SMALL PLANTS IN MAY/08, CAME BACK FROM VACATION, (RAINED A LOT) (ON JULY ) AND FOUND THE WHOLE AREA COVERED WITH THIS BEAUTIFU...Read More

Y
| May 2008 | positive

I use this in designs frequently. Just be aware that it can be invasive.

C
Sebring, FL (Zone 9a) | September 2007 | positive

We had this plant in our garden for a couple of years. If contained with no other plants, this is wonderful plant. If you have other pla...Read More

A
Fort Lauderdale, FL (Zone 10b) | September 2005 | positive

I purchased my Dune sunflower from a native plant dealer in N. Naples back in January. It's been in the yard ever since. I find it a vi...Read More

N
Boca Raton, FL (Zone 10a) | September 2004 | positive

Beach Sunflower or Dune Sunflower is native to the coastal dunes, coastal scrub and open, sandy areas on the coasts of much of coastal Fl...Read More

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