Sp. #11 of 16
SAFE
Botanical Specimen Record
Helianthus debilis

Beach Sunflower

SAFE
Safety Note

Entirely nontoxic. A native wildflower safe for all ages.

Identification Features
Bright yellow daisy-like flowers (2-3 inches across)
Blooms year-round in South Florida
Low-growing, spreading groundcover (rarely over 2 feet tall)
Attracts bees, butterflies, and other pollinators
Native to Florida — evolved on these dunes
Drought and salt tolerant — thrives in pure sand
Collected Specimens — What Falls
🍃Flower petals (as blooms fade)
🍃Seeds (small, sunflower-family seeds eaten by birds)
Field Observations

A cheerful native groundcover that blankets the dunes with bright yellow flowers. Beach sunflowers bloom year-round in South Florida, providing constant color and pollinator food. They spread quickly along the sand, creating a natural carpet that stabilizes the dune surface. Every flower is a tiny sun — a reminder to look down as well as up.

— field notes, Miami Beach

Location Index

Where to Find It

Dune restoration areas along Miami Beach, especially North Shore Open Space Park and the restored dunes south of South Pointe Park. Often planted in municipal landscaping along the beachwalk.

Ecological Survey

Ecological Role

Beach sunflowers stabilize dune surfaces, provide nectar for native pollinators (including rare native bees), and feed seed-eating birds. They're one of the first plants used in dune restoration projects because they establish quickly and spread to cover bare sand.

Fun Fact

Beach sunflowers track the sun across the sky — a behavior called heliotropism. Young flower buds face east in the morning and follow the sun to the west by evening. Once the flower fully opens, it stops tracking and faces east permanently to warm up faster in the morning and attract early pollinators.

Field Activities

1 cards
Activity #1

Pollinator Stakeout

Ages 3+ (with adult help), great for adults too10-20 minutesMess: None

Sit quietly near a patch of beach sunflowers and observe what visits. Count different pollinator species. A lesson in patience, observation, and the hidden economy of a flower.

Materials Required

A patch of blooming beach sunflowers, patience, optionally a notebook

Procedure
  1. 1.Find a patch with several open flowers
  2. 2.Sit or crouch nearby and stay still for 3-5 minutes
  3. 3.Watch: what lands on the flowers? Bees, butterflies, beetles, flies?
  4. 4.Count how many different species you see in 5 minutes
  5. 5.Notice: do different pollinators visit different flowers, or do they compete?
  6. 6.Discuss: every flower is a marketplace. The flower offers nectar; the pollinator carries pollen to the next flower. Both benefit.
Learning Outcome: Pollination ecology. Mutualism. Observation skills and patience. Biodiversity — even a small patch has surprising diversity.
All Specimens