Growing Glass Gem Corn in Zone 4b
Zone 4b has cold winters and a moderate growing season. Timing is key for Glass Gem Corn in this zone. Last frost: May 1. First frost: Oct 5.
Planting Calendar
Season: May 1 – Oct 5 (157 days) · Succession: plant every 2 weeks (up to 4x)
When to Plant Glass Gem Corn in Zone 4b
Sow Seeds Outdoors: May 8
Direct sow Glass Gem Corn seeds outdoors around May 8. Soil temperature should be at least 60°F. Space at 12/sqft.
Harvest: Aug 16
First harvest approximately Aug 16 (~100 days from planting). Continue harvesting until first frost (Oct 5).
Glass Gem Corn in Other Zones
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13bFrequently Asked Questions
When should I plant Glass Gem Corn in Zone 4b?
Direct sow Glass Gem Corn outdoors around May 8. Harvest around Aug 16.
What is the last frost date for Zone 4b?
The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.
Can I grow Glass Gem Corn in Zone 4b?
Yes. Glass Gem Corn needs 100 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 4 successions.
What is the best month to plant Glass Gem Corn in Zone 4b?
The best time to plant Glass Gem Corn in Zone 4b is around May 8, when soil temperatures are suitable and frost risk has passed.
How long does Glass Gem Corn take to harvest?
Glass Gem Corn takes approximately 100 days from planting to harvest. In Zone 4b, expect your first harvest around Aug 16.
Plan Your Glass Gem Corn Garden
Track Glass Gem Corn from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Glass Gem Corn Growing Guide