Beach-elder, Seacoast marshelder
Iva imbricata
Asteraceae


Landscape Uses:

Groundcover in open, coastal uplands.

Ecological Restoration Notes:

An important sand binder in coastal uplands througout South Florida.
Availability:
Native plant nurseries. Available in Boynton Beach at Sustainscape (561-245-5305).
Description:
Small shrub with spreading branches. Leaves light green, succulent and smooth.
Height:
Typically 2-3 feet in height. Spreading and becoming much broader than tall.
Growth Rate:
Fast.
Range:
Southeastern United States west to Texas and south to the Monroe County Keys; Bahamas and Cuba. Rare and scatted in the Monroe County Keys.
Habitats:
Beach dunes, coastal strand and coastal grasslands.
Soils:
Moist, well-drained sandy soils, without humus.
Nutritional Requirements:
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance:
Pioneer; grows in unconsolidated substrate in direct salt wind and spray.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
Green.
Flower Characteristics:
Inconspicuous.
Flowering Season:
Summer-fall.
Fruit:
Inconspicuous yellowish-brown achenes in globular clusters.
Wildlife and Ecology:
A principal sand binder in the pioneer zone of beach dunes.
Horticultural Notes:
Can be grown from seed or cuttings.
Comments:
It roots along the stems when covered with sand.


George D. Gann
George D. Gann
George D. Gann
Cara Abbott, 2023.