Helianthus debilis

El girasol de playa — una elegante anual de ramificación múltiple que produce docenas de flores doradas, más pequeñas y refinadas, en lugar de una sola cabeza gigante.
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  • Semillas de girasol Esther (Helianthus debilis) – flor anual Girasol Esther (Helianthus debilis) – semillas de flor anual de SeedsChoice
    20%
    Semillas de girasol Esther Helianthus debilis anual
    €3,56€4,45

    Sunflower Esther for warm, radiant garden color sunflower esther seeds are a striking choice for gardeners who want warm toned sunflower flowers with a lively, summery look. This esther sunflower variety is an annual type...
  • Semillas de girasol Stella (Helianthus debilis) – flor anual Girasol Stella (Helianthus debilis) – semillas de flor anual de SeedsChoice
    Sunflower Stella Seeds Helianthus Debilis Annual
    €4,45

    Sunflower Stella for borders and annual hedges sunflower stella seeds are a decorative choice for gardeners who want a branching, multi-flower display in summer. This stella sunflower variety is known for producing multiple blooms per...
  • Semillas de girasol Stella (Helianthus debilis) – flor anual Girasol Stella (Helianthus debilis) – semillas de flor anual de SeedsChoice
    20%
    Sunflower Stella Seeds Helianthus Debilis Annual Flower Variety
    €3,96€4,95

    Girasol Stella para bordes veraniegos luminosos y ramificados Las semillas de girasol Stella son una variedad de flor anual apreciada por su abundante floración y su gran presencia en el jardín. Esta selección produce el...
  • Semillas de girasol Mixed (Helianthus debilis) – flor anual Girasol Mixed (Helianthus debilis) – semillas de flor anual de SeedsChoice
    Semillas de girasol mezcla anual Helianthus debilis
    €4,45

    Girasoles anuales mixtos para borduras y ramos Las semillas de girasol son una opción clásica para añadir color cálido y llamativo a los jardines de verano. Esta variedad anual mixta de girasol produce flores brillantes...
  • Semillas de girasol Esther (Helianthus debilis) – flor anual Girasol Esther (Helianthus debilis) – semillas de flor anual de SeedsChoice
    Semillas de girasol Esther Helianthus debilis flor anual
    €4,95

    Sunflower Esther for bright summer garden color sunflower esther seeds are an annual flower choice for gardeners who want warm, radiant tones and a strong presence in sunny beds. This Helianthus debilis selection is known...

Helianthus debilis — the cucumberleaf sunflower

Helianthus debilis is the botanical name for the cucumberleaf or beach sunflower, a graceful, multi-branching annual that scatters dozens of smaller, refined sunflower blooms rather than one giant head. It is the species behind part of our sunflower range within the flower seed collection.

History & origin

Native to the southern United States, where it colonises coastal dunes and sandy ground, this sunflower has adapted to heat, drought and lean soils. That easy, branching nature made it a favourite parent of many modern multi-headed and cut-flower sunflowers grown today.

The genus name Helianthus joins the Greek helios, sun, and anthos, flower, while the species epithet debilis means weak or slender, describing its airy, branching stems rather than the single stout stalk of the common sunflower.

Botanical characteristics

Bushier and more refined than the giant sunflower, it produces a long succession of golden, dark-centred flowers on slender, well-branched stems. The pollen- and nectar-rich blooms are excellent for bees and butterflies, earning it a place among our pollinator flowers, while the abundance of smaller, long-stemmed flowers makes it a superb cut flower.

Growing Helianthus debilis from seed

Easy and quick, it is best sown direct where it is to flower once the soil has warmed in spring, or started under cover a little earlier. Give it full sun and free-draining soil; once established it is notably drought-tolerant and flowers prolifically until the frosts. Our flower growing guide and flower sowing calendar cover the timing.

Ready to grow sunflowers? Browse the varieties or learn the basics first.

Related categories: Sunflower · Cut Flowers · Pollinator Flowers · Drought-Tolerant Flowers · All Flower Seeds

At SeedsChoice, every order ships from Meppel, NL with fast, tracked EU delivery.

¿En qué se diferencia Helianthus debilis del girasol común?
En lugar de una sola cabezuela gigante, ramifica libremente produciendo muchas flores doradas más pequeñas y refinadas — ideales para cortar y para un espectáculo más duradero. ¿Es fácil de cultivar desde semilla?
Muy fácil. Siembra directamente cuando el suelo se calienta en primavera, o inícialo un poco antes bajo cubierta; germina y crece rápidamente. ¿Tolera suelos pobres y secos?
Sí — nativo de dunas costeras, tolera el calor, la sequía y los suelos pobres una vez establecido. ¿Es bueno para los polinizadores?
Excelente — sus flores ricas en polen y néctar son un imán para abejas y mariposas durante el verano.