North America Non-native Plant

Star-grass

Botanical name: Hypoxis kilimanjarica

USDA symbol: HYKI2

Native status: Not native but doesn't reproduce and persist in the wild

Star-Grass (Hypoxis kilimanjarica): A Mysterious Native Plant If you’ve stumbled upon the name Hypoxis kilimanjarica, you’ve discovered one of gardening’s little mysteries. This star-grass species is like that quiet person at a party – present, but not saying much about themselves. While the genus Hypoxis includes several well-known star-grass species ...

Star-Grass (Hypoxis kilimanjarica): A Mysterious Native Plant

If you’ve stumbled upon the name Hypoxis kilimanjarica, you’ve discovered one of gardening’s little mysteries. This star-grass species is like that quiet person at a party – present, but not saying much about themselves. While the genus Hypoxis includes several well-known star-grass species beloved by native plant gardeners, H. kilimanjarica remains frustratingly elusive in terms of detailed information.

What We Know (And What We Don’t)

Star-grass gets its charming common name from its distinctive star-shaped flowers, typically bright yellow and cheerful. The species name kilimanjarica hints at a connection to Mount Kilimanjaro, suggesting this plant likely calls parts of East Africa home. However, beyond these breadcrumbs, detailed information about this particular species is remarkably scarce in horticultural literature.

Geographic Distribution

While we can make educated guesses about its native range based on the species name, the exact geographic distribution of Hypoxis kilimanjarica remains unclear. This lack of detailed distribution data is one of the challenges facing gardeners interested in this species.

Should You Grow It?

Here’s where things get tricky. With limited information available about H. kilimanjarica’s growing requirements, hardiness zones, or even its availability in the nursery trade, recommending this plant becomes challenging. The lack of detailed horticultural information suggests either:

  • It’s a rare species with limited cultivation history
  • It’s primarily of botanical interest rather than horticultural appeal
  • It may be difficult to source from reputable native plant suppliers

Better Alternatives

If you’re drawn to the idea of growing star-grass, consider these well-documented alternatives that offer similar charm with much better growing information:

  • Hypoxis hirsuta (Common Star-grass) – widely available and well-suited to native gardens
  • Local native bulbs and corms that provide similar early season interest
  • Other native wildflowers with star-shaped blooms

A Word of Caution

If you do encounter Hypoxis kilimanjarica for sale, ensure you’re purchasing from a reputable source that practices ethical collection. Given the limited information available, this species may have conservation concerns that aren’t well-documented. Always choose nursery-propagated plants over wild-collected specimens.

The Bottom Line

While Hypoxis kilimanjarica may sound intriguing, the lack of available growing information makes it a risky choice for most gardeners. Sometimes the most responsible approach is to admire a plant from afar while choosing better-documented native species for our gardens. Your local native plant society can help you discover star-grass species that are both appropriate for your region and come with the growing guidance you need for success.

Remember, the best native plant for your garden is one you can grow successfully while supporting local ecosystems – and that requires reliable information that, unfortunately, remains elusive for this particular star-grass.

Star-grass

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Hypoxis L. - star-grass

Species

Hypoxis kilimanjarica Baker - star-grass

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA