Plant Signs

Wiry Knotweed

Polygonum majus

Calscape.org

Plant type: Annual herb

Size: 6 - 24 in tall

Flower Color: Pink, White

Wildlife supported:

Marin Knotweed

Polygonum marinense

Calscape.org

Plant type: Annual herb

Size: 6 - 16 in tall

Wildlife supported:

Broadleaf Knotweed

Polygonum minimum

Calscape.org

Plant type: Annual herb

Size: 0.8 - 12 in tall

Flower Color: White

Wildlife supported:

Beach Knotweed

Polygonum paronychia

Calscape.org

Plant type: Perennial herb

Size: 4 - 40 in tall

Flower Color: White, Red

Flowering season: Spring, Summer, Fall

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade, Deep Shade

Water

Extremely Low, Very Low

Soil drainage

Fast

Parry's

Polygonum parryi

Calscape.org

Plant type: Annual herb

Size: 0.8 - 3 in tall

Flower Color: White

Wildlife supported:

Milkwort Knotweed

Polygonum polygaloides

Calscape.org

Plant type: Annual herb

Size: 0.4 - 12 in tall

Flower Color: Pink, White, Red

Wildlife supported:

Fruitleaf Knotweed

Polygonum polygaloides ssp. confertiflorum

Calscape.org

Plant type: Annual herb

Wildlife supported:

Modoc County Knotweed

Polygonum polygaloides ssp. esotericum

Calscape.org

Plant type: Annual herb

Wildlife supported:

Kellogg's Knotweed

Polygonum polygaloides ssp. kelloggii

Calscape.org

Plant type: Annual herb

Wildlife supported:

Bushy Knotweed

Polygonum ramosissimum

Calscape.org

Plant type: Annual herb

Size: 1 - 7 ft tall

Flower Color: Yellow, Green

Wildlife supported:

Bushy Knotweed

Polygonum ramosissimum ssp. ramosissimum

Calscape.org

Plant type: Annual herb

Wildlife supported:

Polygonum sawatchense

Calscape.org

Plant type: Annual herb

Size: 2 - 19 in tall

Flower Color: White, Green, Red

Wildlife supported:

Polygonum sawatchense ssp. oblivium

Calscape.org

Plant type: Annual herb,Perennial herb

Wildlife supported:

Polygonum sawatchense ssp. sawatchense

Calscape.org

Plant type: Annual herb,Perennial herb

Wildlife supported:

Shasta Knotweed

Polygonum shastense

Calscape.org

Plant type: Perennial herb

Size: 2 - 16 in tall

Flower Color: Pink, White

Wildlife supported:

Spurry Knotweed

Polygonum spergulariiforme

Calscape.org

Plant type: Annual herb

Size: 2 - 19 in tall

Flower Color: Pink, White

Wildlife supported:

California Sword Fern

Polystichum californicum

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Water

High, Moderate

Dudley's Sword Fern

Polystichum dudleyi

Calscape.org

Plant type: Fern

Size: 3 ft tall

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Cliff Sword Fern

Polystichum imbricans

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Deep Shade, Partial Shade

Polystichum imbricans ssp. curtum

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Polystichum imbricans ssp. imbricans

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Kruckeberg's Sword Fern

Polystichum kruckebergii

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Lemmon's Holly Fern

Polystichum lemmonii

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Holly Fern

Polystichum lonchitis

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Western Sword Fern

Polystichum munitum

Calscape.org

Plant type: Fern

Size: 2 - 6 ft tall , 2 - 3 ft wide

Form: Upright, Fountain

Growth rate: Moderate

Dormancy: Evergreen, Summer Semi-deciduous

Wildlife supported:

Landscape information:

Sun

Partial Shade, Deep Shade

Water

Moderate, High

Summer irrigation

Max 2x / month once established

Soil drainage

Medium, Slow

Mountain Hollyfern

Polystichum scopulinum

Calscape.org

Plant type: Fern

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Narrow Leaved Cottonwood

Populus angustifolia

Calscape.org

Plant type: Tree

Size: 30 - 60 ft tall

Form: Upright

Growth rate: Fast

Flower Color: White

Flowering season: Spring

Wildlife supported:

Landscape information:

Sun

Full Sun

Fremont Cottonwood

Populus fremontii

Calscape.org

Plant type: Tree

Size: 39 - 115 ft tall , 35 ft wide

Form: Upright Columnar

Growth rate: Fast

Flower Color: Cream, White

Flowering season: Spring, Winter

Dormancy: Winter Deciduous

Wildlife supported:

Landscape information:

Sun

Full Sun

Water

Moderate, High

Summer irrigation

Keep moist

Soil drainage

Fast, Medium, Slow

Nimbus Fremont Cottonwood (male)

Populus fremontii 'Nimbus'

Calscape.org

Plant type: Tree

Size: 40 - 60 ft tall , 10 - 20 ft wide

Form: Upright

Growth rate: Fast

Flowering season: Spring

Dormancy: Winter Deciduous

Wildlife supported:

Landscape information:

Sun

Full Sun

Water

High, Moderate

Soil drainage

Medium

Fremont Cottonwood

Populus fremontii ssp. fremontii

Calscape.org

Plant type: Tree

Size: 66 ft tall

Flower Color: White, Cream

Wildlife supported:

Landscape information:

Sun

Full Sun

Water

High, Moderate

Quaking Aspen

Populus tremuloides

Calscape.org

Plant type: Tree

Size: 40 - 82 ft tall

Form: Rounded, Upright Columnar

Growth rate: Fast

Flower Color: Blue, Cream, Yellow, Red

Flowering season: Spring

Dormancy: Winter Deciduous

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Water

Moderate

Summer irrigation

Max 1x / week once established

Soil drainage

Medium

Black Cottonwood

Populus trichocarpa

Calscape.org

Plant type: Tree

Size: 30 - 100 ft tall , 25 - 30 ft wide

Form: Upright, Upright Columnar

Growth rate: Fast

Flower Color: Green, Yellow

Flowering season: Winter, Spring

Dormancy: Winter Deciduous

Wildlife supported:

Landscape information:

Sun

Full Sun

Water

High, Moderate

Summer irrigation

Max 1x / month once established

Soil drainage

Fast

Slender Poreleaf

Porophyllum gracile

Calscape.org

Plant type: Perennial herb

Size: 2 ft tall

Wildlife supported:

Landscape information:

Sun

Full Sun

Desert Portulaca

Portulaca halimoides

Calscape.org

Plant type: Annual herb,Succulent

Flower Color: Yellow, Red

Wildlife supported:

Silverweed

Potentilla anserina

Calscape.org

Plant type: Perennial herb

Flower Color: Yellow

Flowering season: Spring

Wildlife supported:

Landscape information:

Sun

Partial Shade

Water

High

Soil drainage

Fast

Common Silverweed

Potentilla anserina ssp. anserina

Calscape.org

Plant type: Perennial herb

Wildlife supported:

Landscape information:

Water

High

Pacific Potentilla

Potentilla anserina ssp. pacifica

Calscape.org

Plant type: Perennial herb

Flower Color: Yellow

Flowering season: Spring

Wildlife supported:

Landscape information:

Sun

Full Sun

Water

High

Black Rock Potentilla

Potentilla basaltica

Calscape.org

Plant type: Perennial herb

Size: 4 - 16 in tall

Flower Color: Yellow

Wildlife supported:

Biennial Cinquefoil

Potentilla biennis

Calscape.org

Plant type: Perennial herb

Size: 4 - 28 in tall

Flower Color: Yellow

Wildlife supported:

Landscape information:

Sun

Partial Shade

Brewer's Cinquefoil

Potentilla breweri

Calscape.org

Plant type: Perennial herb

Size: 4 - 16 in tall

Wildlife supported:

Bruce's Cinquefoil

Potentilla bruceae

Calscape.org

Plant type: Perennial herb

Size: 6 - 19 in tall

Wildlife supported:

Elegant Cinquefoil

Potentilla concinna

Calscape.org

Plant type: Perennial herb

Wildlife supported:

Early Cinquefoil

Potentilla concinna var. proxima

Calscape.org

Plant type: Perennial herb

Size: 0.6 - 6 in tall

Wildlife supported:

Crested Potentilla

Potentilla cristae

Calscape.org

Plant type: Perennial herb

Size: 2 - 8 in tall

Flower Color: Yellow

Wildlife supported:

Drummond's Cinquefoil

Potentilla drummondii

Calscape.org

Plant type: Perennial herb

Size: 6 - 24 in tall

Flower Color: Yellow

Wildlife supported:

Fan-foil

Potentilla flabellifolia

Calscape.org

Plant type: Perennial herb

Size: 4 - 12 in tall

Flower Color: Yellow

Wildlife supported:

Varileaf Cinquefoil

Potentilla glaucophylla

Calscape.org

Plant type: Perennial herb

Size: 1 - 3 ft tall

Flower Color: Yellow

Dormancy: Winter Deciduous

Wildlife supported:

Landscape information:

Sun

Full Sun

Blueleaf Cinquefoil

Potentilla glaucophylla var. glaucophylla

Calscape.org

Plant type: Perennial herb

Size: 4 - 16 in tall

Wildlife supported:

Slender Cinquefoil

Potentilla gracilis

Calscape.org

Plant type: Perennial herb

Size: 2 - 3 ft tall

Form: Upright

Growth rate: Moderate

Flower Color: Yellow

Flowering season: Summer

Wildlife supported:

Landscape information:

Sun

Full Sun, Partial Shade

Water

Moderate

Soil drainage

Fast, Medium, Slow

Potentilla gracilis var. elmeri

Calscape.org

Plant type: Perennial herb

Size: 8 - 19 in tall

Wildlife supported:

Landscape information:

Water

Moderate

Slender Cinquefoil

Potentilla gracilis var. fastigiata

Calscape.org

Plant type: Perennial herb

Size: 8 - 19 in tall

Wildlife supported:

Landscape information:

Water

Moderate

Slender Cinquefoil

Potentilla gracilis var. flabelliformis

Calscape.org

Plant type: Perennial herb

Size: 2 - 3 ft tall

Wildlife supported:

Landscape information:

Water

Moderate

Graceful Cinquefoil

Potentilla gracilis var. gracilis

Calscape.org

Plant type: Perennial herb

Size: 1 - 3 ft tall

Wildlife supported:

Landscape information:

Water

Moderate

Gray's Cinquefoil

Potentilla grayi

Calscape.org

Plant type: Perennial herb

Size: 4 - 8 in tall

Wildlife supported:

Hickman's Cinquefoil

Potentilla hickmanii

Calscape.org

Plant type: Perennial herb

Size: 2 - 10 in tall

Wildlife supported:

Jepson's Cinquefoil

Potentilla jepsonii

Calscape.org

Plant type: Perennial herb

Size: 0.8 - 10 in tall

Wildlife supported:

Feather Cinquefoil

Potentilla millefolia

Calscape.org

Plant type: Perennial herb

Size: 2 - 8 in tall

Flower Color: Yellow

Wildlife supported:

Morefield's Cinquefoil

Potentilla morefieldii

Calscape.org

Plant type: Perennial herb

Size: 2 - 6 in tall

Flower Color: Yellow, White, Green

Wildlife supported:

Newberry's Cinquefoil

Potentilla newberryi

Calscape.org

Plant type: Perennial herb

Size: 4 - 16 in tall

Flower Color: White

Wildlife supported:

Prairie Cinquefoil

Potentilla pensylvanica

Calscape.org

Plant type: Perennial herb

Size: 3 - 10 in tall

Flower Color: Yellow

Wildlife supported: