SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Mirror in Zone 4b

Family: Asteraceae Leafy Green
Zone 4b Save Garden

Planting Schedule

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

Maximize your Mirror yield in Zone 4b. Follow this localized planting schedule and companion guide for a healthier, heavier harvest.

Ready to dive into specific soil requirements, pruning tips, and culinary uses?

Read Full Growing Guide
Botanical illustration of Mirror

Crop Dates : 4b

Growing note: This crop establishes over multiple seasons (~70 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 OutdoorsMay 6th
Harvest BeginsJul 15th
Harvest EndsSep 27th

Garden Alerts

This crop establishes over multiple seasons (~70 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Recommended Companions

Danvers Carrot
View Guide →
Red Zeppelin Onion
View Guide →
Rat's Tail Radish
View Guide →
White Castle Onion
View Guide →
Bolero F1 Carrot
View Guide →
French Breakfast Radish
View Guide →

Garden Alerts

This crop establishes over multiple seasons (~70 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.