Bells of Ireland in Zone 11a & 11b

Moluccella laevis

When to plant bells of ireland in zone 11b

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

Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Bells of Ireland tolerates either.

Start indoorsNov 13–Nov 20
Direct sow / transplant outsideDec 25–Jan 1 '27
Estimated bloomMar 25 '27–Apr 1 '27 (~90 days after planting)

Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 2-3 ft.

Bells of Ireland
Photo: Magnus Manske via Wikimedia Commons, CC BY-SA 2.5, cropped.

Bells of Ireland isn't grown for its flowers at all, really. The tiny white blooms tucked inside are almost beside the point; what the plant is grown for is the spike of pale, papery green calyxes surrounding them, which is what gives the cut stem its name and its appeal in arrangements.

How bells of ireland 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 Bells of Ireland.

Where to buy bells of ireland seeds

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See it growing

Search YouTube for "growing bells of ireland" 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 →

Growing Bells of Ireland in USDA zone 11b

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Growing Bells of Ireland in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.

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