Native plants for San Luis Obispo County, California
1,437 native plants recorded in San Luis Obispo County, California
The USDA plant database has 2,439 plants recorded growing wild in San Luis Obispo County. 1,437 of them are native to the lower 48, and 364 are introduced species that this page leaves out.
By type: 908 wildflowers and herbs, 160 grasses and sedges, 144 shrubs, 112 low woody plants, 82 trees, 31 vines. USDA has rated sun, soil and water needs for 216 of them (15%), and only those can be matched to a spot below. Beach strawberry (Fragaria chiloensis), Biennial wormwood (Artemisia biennis) and 17 more are also recorded as introduced.
What fits each kind of spot in San Luis Obispo County
| Spot | Rated to fit | Rated not to | Unrated |
|---|---|---|---|
| Sun all day | 216 | 0 | 1,221 |
| Half shade | 178 | 38 | 1,221 |
| Under trees | 118 | 98 | 1,221 |
| Heavy clay | 130 | 86 | 1,221 |
| Sandy, drains fast | 143 | 73 | 1,221 |
| Never watered | 115 | 101 | 1,221 |
| Stays soggy | 90 | 126 | 1,221 |
Sun all day in San Luis Obispo County: 216 rated natives
71 wildflowers and herbs, 54 grasses and sedges, 41 trees, 33 shrubs, 12 low woody plants, 5 vines. The first 8, ranked by how easy a start they make:
- Alkali buttercup (Ranunculus cymbalaria) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · moderate growth · perennial - American speedwell (Veronica americana) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 0.8 ft mature · rapid growth · perennial - American vetch (Vicia americana) vines
USDA growing data on file · conspicuous flowers · photo available · about 1.3 ft mature · moderate growth · perennial - Bigflower agoseris (Agoseris grandiflora) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.8 ft mature · moderate growth · perennial - California blackberry (Rubus ursinus) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · rapid growth · perennial - California poppy (Eschscholzia californica) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.2 ft mature · moderate growth · perennial - Colorado four o'clock (Mirabilis multiflora) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · moderate growth · perennial - Dwarf rose (Rosa gymnocarpa) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 3 ft mature · moderate growth · perennial
Half shade in San Luis Obispo County: 178 rated natives
54 wildflowers and herbs, 44 grasses and sedges, 35 trees, 30 shrubs, 11 low woody plants, 4 vines. The first 8, ranked by how easy a start they make:
- American vetch (Vicia americana) vines
USDA growing data on file · conspicuous flowers · photo available · about 1.3 ft mature · moderate growth · perennial · high shade tolerance - Bigflower agoseris (Agoseris grandiflora) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.8 ft mature · moderate growth · perennial · high shade tolerance - California blackberry (Rubus ursinus) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · rapid growth · perennial · high shade tolerance - Colorado four o'clock (Mirabilis multiflora) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · moderate growth · perennial · high shade tolerance - Eastern Mojave buckwheat (Eriogonum fasciculatum) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 3 ft mature · moderate growth · perennial · high shade tolerance - Lewis flax (Linum lewisii) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2.5 ft mature · moderate growth · perennial · high shade tolerance - Missouri gourd (Cucurbita foetidissima) vines
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · rapid growth · perennial · high shade tolerance - Salt heliotrope (Heliotropium curassavicum) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 1.2 ft mature · moderate growth · perennial · high shade tolerance
Under trees in San Luis Obispo County: 118 rated natives
33 grasses and sedges, 32 wildflowers and herbs, 22 shrubs, 22 trees, 7 low woody plants, 2 vines. The first 8, ranked by how easy a start they make:
- American vetch (Vicia americana) vines
USDA growing data on file · conspicuous flowers · photo available · about 1.3 ft mature · moderate growth · perennial - Bigflower agoseris (Agoseris grandiflora) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.8 ft mature · moderate growth · perennial - California blackberry (Rubus ursinus) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · rapid growth · perennial - Colorado four o'clock (Mirabilis multiflora) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · moderate growth · perennial - Eastern Mojave buckwheat (Eriogonum fasciculatum) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 3 ft mature · moderate growth · perennial - Lewis flax (Linum lewisii) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2.5 ft mature · moderate growth · perennial - Missouri gourd (Cucurbita foetidissima) vines
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · rapid growth · perennial - Salt heliotrope (Heliotropium curassavicum) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 1.2 ft mature · moderate growth · perennial
Heavy clay in San Luis Obispo County: 130 rated natives
49 wildflowers and herbs, 39 grasses and sedges, 16 shrubs, 15 trees, 7 low woody plants, 4 vines. The first 8, ranked by how easy a start they make:
- Bigflower agoseris (Agoseris grandiflora) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.8 ft mature · moderate growth · perennial - California blackberry (Rubus ursinus) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · rapid growth · perennial - Missouri gourd (Cucurbita foetidissima) vines
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · rapid growth · perennial - Seep monkeyflower (Mimulus guttatus) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 2.5 ft mature · rapid growth · perennial - Silverweed cinquefoil (Argentina anserina) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 0.5 ft mature · rapid growth · perennial - Western white clematis (Clematis ligusticifolia) vines
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · moderate growth · perennial - Alkali buttercup (Ranunculus cymbalaria) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · moderate growth · perennial - American speedwell (Veronica americana) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 0.8 ft mature · rapid growth · perennial
Sandy, drains fast in San Luis Obispo County: 143 rated natives
37 trees, 33 wildflowers and herbs, 33 grasses and sedges, 30 shrubs, 6 low woody plants, 4 vines. The first 8, ranked by how easy a start they make:
- American vetch (Vicia americana) vines
USDA growing data on file · conspicuous flowers · photo available · about 1.3 ft mature · moderate growth · perennial - Bigflower agoseris (Agoseris grandiflora) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.8 ft mature · moderate growth · perennial - California blackberry (Rubus ursinus) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · rapid growth · perennial - Colorado four o'clock (Mirabilis multiflora) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · moderate growth · perennial - Eastern Mojave buckwheat (Eriogonum fasciculatum) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 3 ft mature · moderate growth · perennial - Lewis flax (Linum lewisii) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2.5 ft mature · moderate growth · perennial - Miner's lettuce (Claytonia perfoliata) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · rapid growth · perennial - Missouri gourd (Cucurbita foetidissima) vines
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · rapid growth · perennial
Never watered in San Luis Obispo County: 115 rated natives
31 grasses and sedges, 28 trees, 27 shrubs, 18 wildflowers and herbs, 8 low woody plants, 3 vines. The first 8, ranked by how easy a start they make:
- American vetch (Vicia americana) vines
USDA growing data on file · conspicuous flowers · photo available · about 1.3 ft mature · moderate growth · perennial · high drought tolerance - Colorado four o'clock (Mirabilis multiflora) low woody plants
USDA growing data on file · conspicuous flowers · photo available · about 2 ft mature · moderate growth · perennial · high drought tolerance - Eastern Mojave buckwheat (Eriogonum fasciculatum) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 3 ft mature · moderate growth · perennial · high drought tolerance - Missouri gourd (Cucurbita foetidissima) vines
USDA growing data on file · conspicuous flowers · photo available · about 1 ft mature · rapid growth · perennial · high drought tolerance - White hawkweed (Hieracium albiflorum) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 3 ft mature · moderate growth · perennial · high drought tolerance - California yerba santa (Eriodictyon californicum) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 8 ft mature · moderate growth · perennial · high drought tolerance - Desert ceanothus (Ceanothus greggii) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 7 ft mature · moderate growth · perennial · high drought tolerance - Freckled milkvetch (Astragalus lentiginosus) shrubs
USDA growing data on file · conspicuous flowers · photo available · about 1.4 ft mature · moderate growth · perennial · high drought tolerance · toxicity: slight
Stays soggy in San Luis Obispo County: 90 rated natives
48 wildflowers and herbs, 28 grasses and sedges, 9 trees, 3 shrubs, 1 low woody plants, 1 vines. The first 8, ranked by how easy a start they make:
- American water plantain (Alisma subcordatum) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 0.5 ft mature · moderate growth · perennial · takes saturated soil - Hooded lady's tresses (Spiranthes romanzoffiana) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 2.5 ft mature · moderate growth · perennial · takes saturated soil - Sea milkwort (Glaux maritima) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 0.9 ft mature · moderate growth · perennial · takes saturated soil - Yerba mansa (Anemopsis californica) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 1.5 ft mature · moderate growth · perennial · takes saturated soil - American licorice (Glycyrrhiza lepidota) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 4 ft mature · moderate growth · perennial · takes saturated soil - Broadleaf arrowhead (Sagittaria latifolia) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 4.9 ft mature · moderate growth · perennial · takes saturated soil - Cutleaf waterparsnip (Berula erecta) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 2.8 ft mature · rapid growth · perennial · takes saturated soil · toxicity: slight - Dotted smartweed (Polygonum punctatum) wildflowers and herbs
USDA growing data on file · conspicuous flowers · photo available · about 3.2 ft mature · moderate growth · perennial · takes saturated soil
Natives San Luis Obispo County has that most of California does not
72 natives here are on file in no more than 3 of California's 58 counties. A few of them:
- Green arrow arum (Peltandra virginica): only here
- Little sand verbena (Abronia minor): only here
- Santa Lucia manzanita (Arctostaphylos luciana): only here
- Morro manzanita (Arctostaphylos morroensis): only here
- Oso manzanita (Arctostaphylos osoensis): only here
- Pecho manzanita (Arctostaphylos pechoensis): only here
- Wells' manzanita (Arctostaphylos wellsii): only here
- San Luis mariposa lily (Calochortus obispoensis): only here
- Hearst Ranch buckbrush (Ceanothus hearstiorum): only here
- Maritime ceanothus (Ceanothus maritimus): only here
Where to start in San Luis Obispo County
If you have only one spot to fill, sun all day is where San Luis Obispo County gives you the most rated choice (216 plants), and Alkali buttercup (Ranunculus cymbalaria) is the easiest start on that list. Stays soggy is the hard one here: 90 rated plants, so for that spot it is worth asking a local native-plant society about the 1,221 unrated natives too.