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When to Plant Dark Opal in Zone 5b

Family: Lamiaceae Herb
Zone 5b Save Garden

Planting Schedule

Add Dark Opal to your garden to build a schedule and get reminders.

Plan your Dark Opal harvest with precision. Below is the exact Zone 5b planting schedule, frost dates, and recommended companion crops.

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Read Botanical Guide
Botanical illustration of Dark Opal

Crop Dates : 5b

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 IndoorsMar 23rd
Last FrostMay 4th
Transplant / Sow OutdoorsJun 29th
Harvest BeginsAug 28th
Harvest EndsOct 5th

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

Moonsong Deep Orange Marigold
View Guide →
Lime Basil Basil
View Guide →
Homestead Improved Tomato
View Guide →
Indigo Rose Tomato
View Guide →
Sweet Dani Basil
View Guide →
African Marigold Marigold
View Guide →

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.