Phacelia (Lacy Phacelia) in Zone 11a & 11b

Phacelia tanacetifolia

When to plant phacelia (lacy phacelia) in zone 11b

Zones 11a and 11b share the same average frost dates in our data, so this page covers both.

Method: Direct sow: Direct-sow outside. Phacelia (Lacy Phacelia) doesn't transplant well, or doesn't need the extra time indoors.

Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 2.5-3.5 ft.

Phacelia, also called purple tansy or lacy phacelia, is grown less for cutting than for what it does in the garden: it's an outstanding nectar source for honeybees and draws beneficial insects reliably wherever it's planted.

How phacelia (lacy phacelia) fits zone 11's season

Zone 11b is frost-free in this dataset, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.

Good companions

No standout companions recorded yet for Phacelia (Lacy Phacelia).

Where to buy phacelia seeds

• Botanical Interests
• True Leaf Market
• Burpee
• High Mowing Organic Seeds

See why we recommend these suppliers →

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See it growing

Search YouTube for "growing phacelia (lacy phacelia)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)

← Back to the full zone 11b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Phacelia (Lacy Phacelia) in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.

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