The Tenacious 21- Ventura Country’s Top Problem Plants:
- Arundo (Arundo donax)
- Tamarisk (Tamarix ramosissima)
- Perennial pepperweed (Lepidium latifolium)
- Spanish broom (Spartium junceum)
- Castor bean (Ricinus communis)
- Tree tobacco (Nicotiana glauca)
- Ice plant (Carpobrotus edulis)
- Pampas grass (Cortaderia jubata and Cortaderia selloana)
- Several Thistle varieties – Yellow star, Milk, Italian, Artichoke (Centaurea solstitialis L., Silybum marianum, Carduus pycnocephalus, Cynara cardunculus)
- Myoporum (Myoporum laetum)
- Vinca (Vinca major)
- Cape Ivy (Delairea odorata and Senecio mikanioides)
- Sweet Fennel (Foeniculum vulgare)
- Black Mustard (Hirschfeldia incana)
- Poison Hemlock (Conium maculatum)
- Tree of heaven (Ailanthus altissima)
- Pepper Tree (Schinus molle)
- Eucalyptus (Eucalyptus globulus var. globulus)
- Fan Palms (Washingtonia robusta)
Ventura Country Roadside Weed Mapping Project
VC Roadside Weed Mapping Cover Sheet
2009 VC Roadside Weed Mapping Project
Report A New Invader!
Early detection is key in keeping plant invasions under control. Send us an email if you’ve spotted a new infestation of an invasive plant species at korinne.bell@ventura.org.
Cal-IPC’s “Don’t Plant A Pest!” Brochure
Invasive plants are by nature a regional or local problem. A plant that jumps out of the garden in one climate and habitat type may behave perfectly in another. This website is organized by region, so you can learn which plants are most problematic in your area, and what alternative plants make good replacements. There is also a California-wide guide to alternatives for invasive trees.
Fire-Safe Planting
Fact Sheet
Plant Info Sheets |
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Geraldton Carnation Spurge  (Euphorbia terracina) |
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