California Bluebell

Phacelia campanularia

Small spring blooming flowers in shades of stunning blue. A good nectar source for butterflies and bees. They are ideal for dry gardens because they require little water. Great in borders or for natural xeriscape gardens.

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California Bluebell is a beautiful wildflower that is native to California. It has delicate blue flowers that bloom in the spring. California Bluebell is a popular garden plant, and it is also easy to grow from seed.

What does California Bluebell look like?
  • Blue flowers
  • Delicate petals
  • Grows in clumps
  • Height: 6-12 inches
Why should I plant California Bluebell?
  • Easy to grow
  • Attracts butterflies and hummingbirds
  • Beautiful flowers
  • Drought-tolerant
Some interesting facts about California Bluebell
  • The scientific name for California Bluebell is Phacelia campanularia.
  • California Bluebell is also known as the bluebell of the West.
  • California Bluebell is poisonous to livestock.
  • California Bluebell is a threatened species in some parts of its range.
How do I germinate California Bluebell?
  • Sow the seeds in the fall or early spring.
  • The seeds need light to germinate, so do not cover them with soil.
  • Keep the soil moist but not wet.
  • The seeds will germinate in about 2-4 weeks.
Additional Tips
  • California Bluebell prefers full sun to partial shade.
  • California Bluebell is drought-tolerant once established.
  • California Bluebell can be propagated by division or from seed.
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Product Details
Phacelia campanularia

Data sheet

Water Needs:
Very Low, Low, Low/Moderate
Full Sun, Full Sun / Partial Shade
Annual grow in all zones, 3, 4, 5, 6, 7, 8, 9, 10
Growth Cycle:
Soil Type:
Loamy Soil, Sandy Soil, Peaty Soil, Saline Soil, Silty Soil
d: 6 to 12 Inches, e: Up to 1.5 Feet
Growing Instructions:
Direct sow 2–4 weeks before last frost spacing seeds every 1” or start indoors 6–8 weeks before last frost. Keep moist and well drained until true leave are established. In mild winter areas sow in fall.
Special Features:
Container Growing, Butterfiles and Pollinators
Growth Rate:

Specific References


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