How to Grow Alyogyne — Blue Hibiscus

Alyogyne blue hibiscus
Blue hibiscus, Alyogyne huegelii

Alyogyne–commonly called blue hibiscus–is a fast-growing, upright, evergreen shrub grown for its large, trumpet-shaped, lilac-blue to deep purple flowers which grow to 4 inches (10cm) across.

Alyogyne has an open, loose habit; it makes a bright addition of a shrub border. Flowers have a satiny texture. Flowers stand out against the plant’s palmate, bright green leave; the leaves have 5 irregular toothed lobes.

Alyogyne is a tender plant; it can be grown outdoors in Zones 9 to 11. In colder regions, it can be grown as a houseplant.

Alyogyne is a genus of evergreen shrubs once included in the Hibiscus genus. Alyogyne are native to dry scrub in Australia.

Get to Know Alyogyne

  • Plant type: Evergreen shrub
  • Growing zones and range: Zones 9-11
  • Hardiness: Tender
  • Height and width: 3 to 6 feet (1-2m) tall and wide
  • Foliage: Palmate, hairy, bright green leaves to 3 inches long with 5 irregularely toothed lobes
  • Flowers: Solitary, funnel-shaped, satiny, lilac, mauve, or purple flowers to 4 inches (10cm) across; flower last 3 to 4 days.
  • Bloom time: Late spring to autumn; blooms on previous year’s growth
  • Uses: Border, containers
  • Common name: Blue hibiscus
  • Botanical name: Alyogyne
  • Family name: Malvaceae
  • Origin: Australia
Blue Hibiscus, Alyogyne huegelii
Blue Hibiscus, Alyogyne huegelii

Where to Plant Alyogyne

  • Light outdoors: Plant Alyogyne in full sun.
  • Light indoors: Grow in full light indoors.
  • Soil outdoors: Plant in any well-drained soil.
  • Light indoors: Grow Alyogyne in a pot soilless or soil-based potting mix.

When to Plant Alyogyne

  • Set container-grown Alyogyne outdoors in spring or autumn.

Planting and Spacing Alyogyne

  • Space Alyogyne 3 to 6 feet (1-2m) apart.

How to Water and Feed Alyogyne

  • Water Alyogyne moderately during the growing season; water sparingly in winter.
  • Fertilize Alyogyne with a balanced liquid fertilizer ever 3 weeks during the growing season.

Alyogyne Care

  • Top dress Aylgyne with aged compost in spring.

Alyogyne Pests and Diseases

  • Aphids, whiteflies, and spider mite may attack Alyogyne.

Alyogyne Propagation

  • Sow seeds in spring in warm soil.
  • Root semi-ripe cutting in late summer.

Alyogyne Varieties to Grow

  • Alyogyne huegelii. Erect, fast-grwoing shrub, spreading with age; grows 3 to 6 feet (1-2m) tall and wide; palmate, hairy, bright green leaves to 3 inches long with toothed lobes; solitary, funnel-shape, satiny, lilac, mauve or purple flowers 4 inches across; blloms from late spring to autumn,

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