Hollyhocks plant care

Hollyhocks plant care
Tesselaar

A genus of biennial and short-lived perennials.

Botanical name: Althaea rosea or Alcea rosea

Family: Malvaceae

Size: Generally 1.5-1.8m tall.

Bloom season: Summer

Plant type: Herbaceous biennial. Replace after 2-3 years.

Planting time: Late Winter to early Spring.

Planting depth & spacing: Plant with the crown at the soil surface (or, if potted, to the same depth as it was in the pot) and 35-40cm apart.

Soil: Rich, well drained

Position: Sunny with wind protection.

Preferred climates: Hollyhocks perform much better in the temperate and cool climates.

Frost tolerance: Fully hardy.

Watering requirements: Water generously during dry periods and periods of rapid growth.

Fertiliser: A complete/general fertliser. They are heavy feeders, so feed well.

Pests/diseases/hazards: Stake these tall flowers in windy sites and watch out for snails and slugs. They are succeptible to rust. Remove affected leaves.

Comments: To encourage a longer life from these plants, cut the flowering stalks off after the flowers have finished for new flowers in autumn.

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