Non-native Plants

Cape Tulip

Moraea collina

USDA symbol: MOCO8

perennial forb

Lower 48 states: non-native, naturalized

With its vibrant orange blooms that brighten up spring gardens, Cape tulip (Moraea collina) might seem like an appealing addition to your landscape. However, this South African native has earned itself a spot on the naughty list in American gardens—and for good reason. Cape tulip is a perennial forb that ...

Noxious plant alert!

This plant is listed as noxious where it's harmed public health, agriculture, recreation, wildlife, or property. While it may lend beauty to your garden, it can cause significant harm or damage. Its spread may be regulated or restricted in some areas. Expand for more details.

In United States Cape tulip

is listed as a

Noxious weed.

Noxious weed classification

Class A:

Class B:

Class C:

Limited distribution. Eradication is required by law.

Limited in some areas, widespread in others. Mandatory control where not yet widespread.

Widespread. Control is often optional or managed at the local/county level.

Quarantined /Prohibited:

These are often Class A species that cannot be transported, bought, or sold.

Cape Tulip: A Beautiful But Problematic Garden Guest You Should Avoid

With its vibrant orange blooms that brighten up spring gardens, Cape tulip (Moraea collina) might seem like an appealing addition to your landscape. However, this South African native has earned itself a spot on the naughty list in American gardens—and for good reason.

What is Cape Tulip?

Cape tulip is a perennial forb that grows from underground bulbs, producing grass-like foliage and showy funnel-shaped flowers. Also known by its synonym Homeria collina, this plant belongs to the iris family and puts on quite a spring display with its bright orange to yellow blooms.

As a non-native species, Cape tulip has made itself a little too comfortable in the United States. It reproduces spontaneously in the wild without any human help and tends to stick around once it’s established—classic invasive behavior that spells trouble for native ecosystems.

Where Does Cape Tulip Grow?

Originally from the Western Cape region of South Africa, Cape tulip has found a new home in California, where it grows as an introduced species. The Mediterranean-like climate of California suits this plant perfectly, which is part of the problem.

  • Species observed
  • No observations

The Problem with Cape Tulip

Here’s where things get serious: Cape tulip is classified as a noxious weed in the United States. This isn’t just bureaucratic red tape—it’s a genuine warning about a plant that can cause real ecological and agricultural damage.

We strongly recommend against planting Cape tulip in your garden. Here’s why:

  • It spreads aggressively and can outcompete native plants
  • It’s toxic to livestock and can be harmful to wildlife
  • Once established, it’s difficult to remove
  • It can escape cultivation and invade natural areas

Better Alternatives for Your Garden

Instead of Cape tulip, consider these native alternatives that offer similar spring color and beauty without the ecological baggage:

  • California poppies (Eschscholzia californica) for bright orange blooms
  • Native irises like Douglas iris (Iris douglasiana) for similar flower form
  • Monkey flower (Mimulus species) for vibrant spring colors
  • Native bulbs like brodiaea or camassia for grassland appeal

If You Already Have Cape Tulip

If Cape tulip has already taken up residence in your garden, the responsible thing to do is remove it. Here are some tips:

  • Dig up bulbs completely—any fragments left behind can regrow
  • Remove plants before they set seed
  • Dispose of plant material in municipal green waste, not compost
  • Consider consulting with local extension services for removal strategies

The Bottom Line

While Cape tulip might catch your eye with its cheerful spring blooms, it’s a plant that’s better admired from afar—perhaps in its native South African habitat. As gardeners, we have the power to make choices that support our local ecosystems rather than harm them. By choosing native alternatives, you’ll create a garden that’s not only beautiful but also beneficial to local wildlife and plant communities.

Remember: the most sustainable garden is one that works with nature, not against it. There are plenty of gorgeous native plants that can give you that pop of spring color without the ecological consequences.

Moraea collina is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Moraea collina is also known as:

Homeria collina | USDA symbol: HOCO6

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Liliidae
Order: Liliales
Family: Iridaceae Juss. - Iris family
Genus: Moraea Mill. - Cape tulip

Species: Moraea collina Thunb. - Cape tulip

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