A picture of a Crimson Flag Lily

Crimson Flag Lily

Hesperantha coccinea

Also known as

River Lily, Scarlet River Lily, Kaffir lily

Hesperantha coccinea-001 by https://www.jjharrison.com.au/ (CC BY-SA 3.0)

Full Sun
Moderate care
Moderate watering
Frost Hardy

H4

RHS hardiness

-10°C

Minimum temperature

Expected size

Height
Spread

1m

Max

50cm

50cm

Min

10cm

3 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

More images of Crimson Flag Lily

A photo of Crimson Flag Lily
A photo of Crimson Flag Lily
A photo of Crimson Flag Lily
A photo of Crimson Flag Lily
A photo of Crimson Flag Lily

Crimson Flag Lily Overview

Hesperantha coccinea is a fast-growing, attractive marshland species that forms dense clumps if planted in a moist spot in the garden. Given a couple of years, it can create a spectacular display of crimson red, pink or white flowers in any garden. This species is low maintenance and has the ability to self-seed​. This plant can even be brought inside to be enjoyed after sunset.

How to harvest Crimson Flag Lily

Harvest beautiful flowers in mid summer months for floral arrangements.

How to propagate Crimson Flag Lily

Seed

Sow seeds during spring at a depth of 1 cm and space them 10 cm apart. Sow directly into the desired area in the garden or in seed trays with a well-drained potting mixture. Keep moist.

Division

Divide the tubers any time from early summer until autumn and plant offsets to a depth of 1 cm and space them 10 cm apart.

Special features of Crimson Flag Lily

Attracts useful insects

This species attracts butterflies and flies.

Pot plant

This species is great for a pot as it can be moved to preferred areas. Can bring inside when in bloom. Can submerge the potted plant in water.

Wet sites

This species originates from marshland areas, making it an ideal plant to place in wet sites.

Attractive flowers

Attracts butterflies

Other uses of Crimson Flag Lily

Walls, rock garden, borders, flower arranging

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