SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Rubinstern (Ruby Star) in Zone 5a

Family: Asteraceae Herb
Zone 5a Save Garden

Planting Schedule

Add Rubinstern (Ruby Star) to your garden to build a schedule and get reminders.

Maximize your Rubinstern (Ruby Star) yield in Zone 5a. 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 Rubinstern (Ruby Star)

Crop Dates : 5a

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 IndoorsMar 13th
Last FrostMay 8th
Transplant / Sow OutdoorsJun 19th
Harvest BeginsAug 28th
Harvest EndsSep 30th

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

Moreno Black-eyed Susan
View Guide →
Cherry Brandy Coneflower
View Guide →
Rhapsody In Blue Salvia
View Guide →
Irish Eyes Black-eyed Susan
View Guide →
Rose Rhapsody Salvia
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.