How to Grow Rhodohypoxis Plants

Guide to Growing red star / rosy posy

Members of the Rhodohypoxis genus are hardy perennials.

They can reach from 5 to 10 cm (2 to 4 inches); this size makes them ideal for growing in a rock garden.

Rhodohypoxis have lance-shaped leaves

Rhodohypoxis milloides
Rhodohypoxis milloides 'Claret' by col&tasha.

Rhodohypoxis plants bloom from spring to the start of summer. When they carry multitudes of flat pink, red, or white flowers.

Commonly Grown Rhodohypoxis Species Photographs and Plant Identification

Rhodohypoxis baurii

Rhodohypoxis baurii
Rhodohypoxis baurii (Red Star / Rosy Posy), photograph by David Short; CC.

Rhodohypoxis deflexa

Rhodohypoxis deflexa
Rhodohypoxis deflexa (Spring Starflower), picture by Staudengärtnerei Forssman; CC.

Rhodohypoxis Growing and Care Guide

  • Common Names: Rhodohypoxis, Red star, Rosy posy
  • Life Cycle: Hardy perennial.
  • Height: 2 to 6 inches (5—15 cm).
  • Native: Southern Africa.
  • Growing Region: Zones 3 to 10.

  • Flowers: Spring through to early summer.
  • Flower Details: White, red, pink. Star-shaped. Flat. Single flowers atop multiple stems.
  • Foliage: Herbaceous. Narrow, lanceolate. Hairy.

  • Sow/Grow Outside: Usually grown from tubers as seed-grown plants may not stay true.
    Seeds: Cover seed. Before the last frost.
    Tubers: 1 to 2 inches (3 to 5 cm).
  • Sow/grow Inside: Germination time: one to three months. Temperature: 50 to 53°F (10—12°C). Two months in advance. Transplant outdoors following the last frost. Spacing 2 to 3 inches (5—8 cm).

  • Requirements and care: Full sunlight. Good drainage. Lime-free soil. Occasional light feed. Water to maintain moisture during spring to autumn. Do not water in the winter. Propagate: by dividing offsets in the spring. Self-seeds freely.
  • Family: Asparagales.
  • Closely Related Species: Asparagoid lily.
  • Miscellaneous: Makes a great container plant and is also useful for alpine and rock gardens. The genus is named from the Greek words rhodon (rose/red), hypo (below), and oxy (pointed).

How to Grow Rhodohypoxis

It is best to grow Rhodohypoxis from tubers. This is because Rhodohypoxis plants grown from seed may not be as pretty (not stay true).

The tubers should be sown about 3 to 5 cm (1 to 1.5 inches) deep, and at 6 to 8 cm (2 to 3 inches) apart. Plant the tubers at the start of spring (before the last frost).

If you do plan to grow Rhodohypoxis plants from seed, then simply cover them with soil. It should take from one to three months for Rhodohypoxis seeds to germinate.

Rhodohypoxis prefers to grow in a sunny area of the garden. This should have a well drained, lime-free, soil.

Caring for Rhodohypoxis

Rhodohypoxis takes a little bit of looking after. They should be lightly fertilised now and again. The soil watered frequently to keep moist in the growing season.

Do not water Rhodohypoxis in the winter.

If you require more Rhodohypoxisplants, then propagate them by division of offsets in the springtime.

Common Questions

How many members does the Rhodohypoxis genus contain?

The Rhodohypoxis genus, also known as Red star, is currently listed as having seven species.

Do Rhodohypoxis members make a good garden or landscaping plant?

Rhodohypoxis plants make excellent choices for rock gardens or pots, bringing delightful color with their bright star-shaped flowers.

Which Rhodohypoxis species are most frequently grown by gardeners?

Rhodohypoxis baurii is a favorite among gardeners, known for its lovely pink or white star-shaped flowers.

Are Rhodohypoxis plants fragrant?

Rhodohypoxis flowers are not known for their fragrance, but their vibrant colors and starry shape more than make up for it.

What is the perfect location to grow Rhodohypoxis?

Rhodohypoxis prefers a sunny location with well-drained, sandy soil. They are drought-tolerant plants and thrive in rock gardens or containers.

Is Rhodohypoxis invasive in the USA, if so in which states?

At present, Rhodohypoxis species are not considered invasive in the USA.

How do I remove Rhodohypoxis plants from my garden?

To remove Rhodohypoxis, dig up the entire plant, ensuring you've removed all of the bulbs to prevent regrowth.


The Rhodohypoxis genus includes small perennial plants native to South Africa. They are admired for their star-shaped flowers, which bloom in a variety of colors.

Rhodohypoxis plants favor full sun and well-drained soil. They are best planted in the spring and may need winter protection in colder climates. They also make great container plants, allowing them to be moved indoors during harsh weather conditions.

I hope that you enjoyed this guide on how to grow Rhodohypoxis plants. You may also enjoy the following Gardener's HQ growing guides: How to grow Aloe vera, Bulbocodium, and Belamcanda plants.