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When to Plant Mammoth Basil in Zone 4b

Family: Lamiaceae Herb
Zone 4b Save Garden

Planting Schedule

Add Mammoth Basil to your garden to build a schedule and get reminders.

Get the exact Zone 4b timeline for your Mammoth Basil. See localized frost dates, indoor sowing windows, and optimal companions below.

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Botanical illustration of Mammoth Basil

Crop Dates : 4b

Growing note: This crop establishes over multiple seasons (~60 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.
MilestoneDate
Start IndoorsApr 15th
Last FrostMay 13th
Transplant / Sow OutdoorsJul 1st
Harvest BeginsAug 30th
Harvest EndsSep 27th

Garden Alerts

This crop establishes over multiple seasons (~60 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Recommended Companions

Rutgers Tomato
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Red Gem Marigold
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Felix Peppers
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Bianca Di Maggio Onion
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Ringmaster Onion
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Orange Russian 117 Tomato
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Garden Alerts

This crop establishes over multiple seasons (~60 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.