SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Grosso in Zone 4b

Family: Lamiaceae Herb
Zone 4b Save Garden

Planting Schedule

Add Grosso to your garden to build a schedule and get reminders.

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

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Botanical illustration of Grosso

Crop Dates : 4b

Growing note: This crop establishes over multiple seasons (~365 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 13th
Transplant / Sow OutdoorsMay 13th
Harvest BeginsMay 13th
Harvest EndsSep 27th

Garden Alerts

This crop establishes over multiple seasons (~365 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Recommended Companions

Tuscan Blue Rosemary
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Lime Thyme Thyme
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Rhapsody In Blue Salvia
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Pink Chintz Creeping Thyme Thyme
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Miss Jessop's Upright Rosemary
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Rose Rhapsody Salvia
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Garden Alerts

This crop establishes over multiple seasons (~365 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.