Annual Overview: California Poppy



California Poppy Stats at a Glance

Botanical Name: Eschscholzia californica

Height: 12-18 inches

Soil Conditions: Light to sandy soil

Sun: Full sun, partial shade

Soil pH Conditions: 6.5-7.5


Notes: California poppy is a perennial is warm areas such as California and southwestern United States. Self-seeds easily and may return the following year, but the plant may not be the same as the original.

Best use: Wildflower gardens

Starting California Poppy from Seed

Plants are wildflowers and do not transplant well. Sow directly into the soil.

When to Plant California Poppy

Sow as soon as the soil can be worked and reaches 60-70°F.

Sow directly into the soil 1/16” in depth.

Germination: 15-30 days.

Where to Plant California Poppy

Due to self-seeding, this plant requires plenty of room to grow.  Slightly invasive.  Great for hillsides and open spaces.

California Poppy Plant Spacing

Broadcast seeds freely.

California Poppy Care and Maintenance

As wildflowers, plants require very little maintenance.  Very fertile soil or over fertilizing will result in more greenery at the expense of the flowers.

May need light fertilization until established.

Deadhead some spent flowers to encourage flowering, but leave some spent flowers in place for reseeding purposes.

Plants tolerate drought and reseed easily.

California Poppy Diseases

The most common diseases associated with the plant include Botrytis blight, downy mildew, powdery mildew, Rhizoctania root, and tomato spotted wilt virus.

California Poppy Pests

The most common pests associated with the plant include, aphids, hooplia beetle, spittlebugs, and true bugs.

Attracts beneficial insects.


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