North America Non-native Plant

False Sowthistle

Botanical name: Reichardia tingitana

USDA symbol: RETI

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Hawaii  

False Sowthistle: What You Should Know About This Mediterranean Wildflower If you’ve spotted small yellow flowers that look like tiny dandelions scattered across Hawaiian landscapes, you might have encountered false sowthistle (Reichardia tingitana). This Mediterranean native has made itself quite at home in the tropical paradise of Hawaii, though it’s ...

False Sowthistle: What You Should Know About This Mediterranean Wildflower

If you’ve spotted small yellow flowers that look like tiny dandelions scattered across Hawaiian landscapes, you might have encountered false sowthistle (Reichardia tingitana). This Mediterranean native has made itself quite at home in the tropical paradise of Hawaii, though it’s not exactly what you’d call a garden superstar.

What Exactly Is False Sowthistle?

False sowthistle is a forb – basically a fancy botanical term for a soft-stemmed plant that’s neither a grass nor a woody shrub. Think of it as the plant world’s middle child: not quite as sturdy as a tree, but tougher than your average delicate flower. This little guy can be either annual or perennial, meaning it might stick around for just one growing season or decide to make your garden its permanent home.

Where You’ll Find It Growing

Originally from the Mediterranean region and North Africa, false sowthistle has established itself in Hawaii, where it grows and reproduces without any human help. It’s what botanists call a naturalized species – basically, it’s moved in and made itself comfortable in its new tropical digs.

Should You Plant False Sowthistle?

Here’s the thing about false sowthistle: while it’s not officially labeled as invasive, it’s generally considered more of a weedy wildflower than a desirable garden plant. Most gardeners encounter it as something that shows up uninvited rather than something they deliberately plant.

If you’re looking to create a beautiful, ecologically beneficial garden, you’d be better off choosing native Hawaiian plants that support local wildlife and pollinators. Native alternatives can provide the same cheerful yellow blooms while contributing to the local ecosystem.

What Does It Look Like?

False sowthistle produces small, bright yellow flowers that resemble miniature dandelions or daisies. The plant has a low-growing, spreading habit and can adapt to various growing conditions, which partly explains its success in establishing itself in new locations.

Growing Conditions and Care

If you do find false sowthistle growing in your space, it’s worth knowing that this plant is quite the survivor. It’s:

  • Drought tolerant once established
  • Adaptable to different soil types
  • Suitable for USDA hardiness zones 9-11
  • Low maintenance (perhaps too low maintenance for some gardeners’ liking!)

Wildlife and Pollinator Benefits

While false sowthistle flowers may attract some pollinators, native Hawaiian plants typically provide much better support for local wildlife and beneficial insects. If you’re interested in supporting pollinators, consider native alternatives that have co-evolved with Hawaiian ecosystems.

The Bottom Line

False sowthistle is one of those plants that’s more interesting from an ecological perspective than a gardening one. While it’s not causing major environmental havoc, it’s also not adding significant value to cultivated gardens. If you’re planning a landscape, focus on native Hawaiian plants that will provide beauty while supporting the local ecosystem – your garden (and the local wildlife) will thank you for it!

False Sowthistle

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Reichardia Roth - brighteyes

Species

Reichardia tingitana (L.) Roth - false sowthistle

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