How much sun does Johnny tuck need?

Johnny tuck grows best in full sun conditions.

When does Johnny tuck bloom?

Johnny tuck blooms in March, April, and May.

Where is Johnny tuck native?

Johnny tuck (Triphysaria eriantha) is native to CA, OR, per vouchered herbarium specimen records and regional native plant society lists.

Johnny tuck

Name: Pollinator Patch
Author: Pollinator Patch

Triphysaria eriantha

Last reviewed: October 2026

Johnny tuck (Triphysaria eriantha) is a annual forb native to CA, OR. It blooms in March, April, and May. The flowers draw bees.

Toxicity unknown

Johnny tuck (Triphysaria eriantha) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

medium

Size

4"–14" H × 6"–10" W

Bloom

Mar, Apr, May

Native to

CA, OR

Pollinators

bees

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Browse plants for this ecoregion

Coast Range Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Northwestern Forested Mountains

A small annual wildflower with finely divided leaves and soft spikes of yellow and white two-toned tubular flowers tinged with purple. Partially parasitizes the roots of neighboring grasses, growing in a low, informal patch in open grassland.

Growing Johnny tuck

Grow Johnny tuck in full sun and medium water. Mature plants reach 4 to 14 inches tall and spread 6 to 10 inches wide.

Wildlife value

Spring flowers provide nectar for small native bees during the peak grassland wildflower bloom.

Common questions

How much sun does Johnny tuck need?: Johnny tuck grows best in full sun conditions.
When does Johnny tuck bloom?: Johnny tuck blooms in March, April, and May.
Where is Johnny tuck native?: Johnny tuck (Triphysaria eriantha) is native to CA, OR, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Johnny tuck attract?: Johnny tuck draws bees.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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Common plant problems, and what to check first

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