North America Non-native Plant

Ononis Viscosa

Botanical name: Ononis viscosa

USDA symbol: ONVI5

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

Ononis viscosa: A Sticky Mediterranean Beauty for Your Drought-Tolerant Garden Looking for a tough, low-maintenance plant that can handle hot, dry conditions while adding cheerful yellow blooms to your landscape? Meet Ononis viscosa, a charming Mediterranean native that’s as resilient as it is attractive. This lesser-known member of the pea ...

Ononis viscosa: A Sticky Mediterranean Beauty for Your Drought-Tolerant Garden

Looking for a tough, low-maintenance plant that can handle hot, dry conditions while adding cheerful yellow blooms to your landscape? Meet Ononis viscosa, a charming Mediterranean native that’s as resilient as it is attractive. This lesser-known member of the pea family might just be the perfect addition to your water-wise garden.

What Makes Ononis viscosa Special?

Ononis viscosa is a compact, shrubby perennial that earns its viscosa name from its distinctively sticky stems and leaves. Don’t worry – this isn’t the kind of sticky that will trap you like flypaper, but rather a natural adaptation that helps the plant conserve moisture in its native Mediterranean climate. The small, bright yellow pea-like flowers appear throughout the growing season, creating a delightful display that pollinators absolutely love.

Where Does It Come From?

This hardy little plant calls the Mediterranean region home, naturally occurring across Southern Europe and parts of North Africa. It’s perfectly adapted to the hot, dry summers and mild winters that characterize this climate zone.

Why Consider Growing Ononis viscosa?

If you’re dealing with challenging growing conditions, Ononis viscosa might be your new best friend. Here’s what makes it worth considering:

  • Exceptional drought tolerance once established
  • Thrives in poor, rocky soils where other plants struggle
  • Compact growth habit makes it perfect for small spaces
  • Cheerful yellow flowers attract beneficial pollinators
  • Low maintenance requirements
  • Excellent for rock gardens and xeriscapes

Growing Conditions and Care

Ononis viscosa is wonderfully undemanding, but like all plants, it has its preferences. Give it full sun and well-draining soil, and you’re already most of the way there. This plant actually prefers poor, rocky soils over rich, fertile ground – making it perfect for those challenging spots in your garden where nothing else seems to thrive.

In terms of climate, Ononis viscosa is best suited for USDA hardiness zones 8-10. If you live in a cooler area, you might be able to grow it as an annual or try it in a protected microclimate.

Planting and Care Tips

Getting started with Ononis viscosa is refreshingly simple:

  • Plant in spring after the last frost date
  • Choose a sunny location with excellent drainage
  • Water regularly during the first growing season to establish roots
  • Once established, water sparingly – this plant prefers dry conditions
  • Prune lightly after flowering to maintain shape
  • No fertilizer needed – it actually prefers lean conditions

Garden Design Ideas

Ononis viscosa shines in Mediterranean-style gardens, xeriscapes, and rock gardens. Its compact, mounding habit makes it an excellent choice for borders, and it pairs beautifully with other drought-tolerant plants like lavender, rosemary, and ornamental grasses. Consider using it as a ground cover on slopes or in areas where you want color without high maintenance.

Supporting Pollinators

The small yellow flowers of Ononis viscosa are particularly attractive to bees and other small pollinators. While not a major nectar source, every little bit helps in creating a pollinator-friendly landscape, especially in dry climates where flowering plants can be scarce.

A Word About Native Alternatives

While Ononis viscosa can be a wonderful addition to appropriate climates, it’s always worth considering native alternatives that might provide even greater benefits to local ecosystems. Depending on your region, native wildflowers, shrubs, or ground covers might offer similar drought tolerance while supporting local wildlife more effectively. Consult with your local native plant society or extension office for recommendations specific to your area.

The Bottom Line

Ononis viscosa is a charming, low-maintenance plant that deserves consideration for dry, challenging growing conditions. Its cheerful flowers, drought tolerance, and compact habit make it a valuable player in water-wise landscapes. Just remember that success with any plant comes from matching its needs to your growing conditions – and this Mediterranean native definitely prefers life on the dry side!

Ononis Viscosa

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Ononis L. - restharrow

Species

Ononis viscosa L.

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