Helianthus annuus (Asteraceae)

helianthus annusIMG_3924

(image from google images)

Common name: Sunflower

Size, form, texture: 3-10 ft tall, 1.5-3 ft spread, very vigorous annual.

Hardiness, origin, native ecology: native to US and central America, zone 2-11, grows well in average, moist well drained soils in full sun. Tolerates poor soil that is drier, birds like to feed on seeds, fast growing, deep taproot finds moisture in the landscape, best in tall grass prairie.

Bud, foliage, flower and fruit characteristics: coarse, hairy, leafy foliage, fast growing, large yellow disk flowers with seeds in centre, large ovate to triangular textured leaves, edible foliage for caterpillars and beetles. Flowers are long lasting, produce pollen that is exceptionally good for bees health, seeds preferred food for many colourful and beautiful seed eating birds.

Cultural and maintenance requirements and appropriate uses in the landscape: commonly seen growing along roads, fences, and in fields. Now a popular cut flower, good as a specimen or mass planting, wildflower or native plant gardens, habitat gardens. Larger varieties for border rears or backgrounds, smaller varieties for beds, border fronts or containers. Attractive plant to children.

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