Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Water Pepper (Polygonum hydropiperoides) is a native perennial herb that grows in northern, southern and central California. It is slow growing and moderately long-lived. It grows in a flat form to a height of feet, with active growth during the summer. Flowers are green and bloom in the at unpredictable times of the year. Leaves are dark green and deciduous. It tends to grow in wet streambanks, at elevations from 0-4900 feet.

Plant type

Perennial herb

Size

1 - 3 ft Tall

Dormancy

Winter Deciduous

Calscape icon
Color

Green

Special uses

Water features or wet habitats

Sun

Full Sun

Propagation

For propagating by seed: 5 mos. stratification at 50°F (Crocker and Barton 1957).

Site type

Wet banks

Plant communities

Wetland-Riparian

Bees
Butterflies

Pollinators supported

0 confirmed and 44 likely

  • Likely

  • Confirmed

Urban Digger Bee

Anthophora urbana

Common Sickleleg

Asemosyrphus polygrammus

Black-tailed Bumble Bee

Bombus melanopygus

Fuzzy-horned Bumble Bee

Bombus mixtus

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Mulberries

Morus

Prunes

Prunus domestica

Corn

Zea mays

Carrots

Daucus carota