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When to Plant Mammoth Jalapeño in Zone 3a

Family: Solanaceae Hot Pepper
Zone 3a Save Garden

Planting Schedule

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

Get the exact Zone 3a timeline for your Mammoth Jalapeño. See localized frost dates, indoor sowing windows, and optimal companions below.

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Botanical illustration of Mammoth Jalapeño

Crop Dates : 3a

Growing note: This crop establishes over multiple seasons (~80 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.
MilestoneDate
Start IndoorsMar 20th
Last FrostMay 15th
Transplant / Sow OutdoorsJul 10th
Harvest BeginsSep 28th
Harvest EndsSep 1st

Garden Alerts

This crop establishes over multiple seasons (~80 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Recommended Companions

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Taishan Yellow Marigold
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Red Creole Onion
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Thai Gardens Basil
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Ruby Ring F1 Onion
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Marigold Marigold
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Garden Alerts

This crop establishes over multiple seasons (~80 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.