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When to Plant Gros Bleu in Zone 4b

Family: Lamiaceae Herb
Zone 4b Save Garden

Planting Schedule

Add Gros Bleu to your garden to build a schedule and get reminders.

Plan your Gros Bleu harvest with precision. Below is the exact Zone 4b planting schedule, frost dates, and recommended companion crops.

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Read Botanical Guide
Botanical illustration of Gros Bleu

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 IndoorsMar 18th
Last FrostMay 13th
Transplant / Sow OutdoorsJul 8th
Harvest BeginsJul 8th
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

Prostrata (Creeping Rosemary) Rosemary
View Guide →
Broadleaf Sage
View Guide →
Thymus Minus Thyme
View Guide →
Thyme De Provence Thyme
View Guide →
Spice Island Rosemary
View Guide →
Common Sage Sage
View Guide →

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.