Korean Zucchini Growing Guide
Cucurbitaceae family
Days to Harvest55 days
SunlightFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)
Germination4-10 days
HardinessVery Tender
Germ. Temp85°F
Start Indoors4 weeks before last frost
Companion Planting
Avoid Planting Near
PotatoGrowth Stages
- Seedling
- Vining
- Flowering
- Fruiting / Harvest Ready
Planting Dates by Zone
| Zone | Start Indoors | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 1a | Apr 27 | May 25 | Jun 1 | Jun 29 |
| Zone 1b | Apr 27 | May 25 | Jun 1 | Jun 29 |
| Zone 2a | Apr 17 | May 15 | May 22 | Jun 19 |
| Zone 2b | Apr 27 | May 25 | Jun 1 | Jun 29 |
| Zone 3a | Apr 24 | May 22 | May 29 | Jun 26 |
| Zone 3b | Apr 17 | May 15 | May 22 | Jun 19 |
| Zone 4a | Apr 7 | May 5 | May 12 | Jun 9 |
| Zone 4b | Apr 3 | May 1 | May 8 | Jun 5 |
| Zone 5a | Mar 31 | Apr 28 | May 5 | Jun 2 |
| Zone 5b | Mar 31 | Apr 28 | May 5 | Jun 2 |
| Zone 6a | Mar 31 | Apr 28 | May 5 | Jun 2 |
| Zone 6b | Mar 18 | Apr 15 | Apr 22 | May 20 |
| Zone 7a | Mar 18 | Apr 15 | Apr 22 | May 20 |
| Zone 7b | Mar 13 | Apr 10 | Apr 17 | May 15 |
| Zone 8a | Mar 8 | Apr 5 | Apr 12 | May 10 |
| Zone 8b | Feb 22 | Mar 22 | Mar 29 | Apr 26 |
| Zone 9a | Feb 20 | Mar 20 | Mar 27 | Apr 24 |
| Zone 9b | Feb 10 | Mar 10 | Mar 17 | Apr 14 |
| Zone 10a | Jan 23 | Feb 20 | Feb 27 | Mar 27 |
| Zone 10b | Dec 31 | Jan 28 | Feb 4 | Mar 4 |
| Zone 11a | Dec 31 | Jan 28 | Feb 4 | Mar 4 |
| Zone 11b | Dec 18 | Jan 15 | Jan 22 | Feb 19 |
| Zone 12a | Dec 4 | Jan 1 | Jan 8 | Feb 5 |
| Zone 12b | Dec 4 | Jan 1 | Jan 8 | Feb 5 |
| Zone 13a | Dec 4 | Jan 1 | Jan 8 | Feb 5 |
| Zone 13b | Dec 4 | Jan 1 | Jan 8 | Feb 5 |
Frequently Asked Questions
How long does it take to grow Korean Zucchini?
Korean Zucchini takes approximately 55 days from planting to harvest.
How much sun does Korean Zucchini need?
Korean Zucchini requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Korean Zucchini?
Plant Korean Zucchini at 1/sqft (12" apart) using square foot gardening spacing.
Can Korean Zucchini survive frost?
Korean Zucchini is frost-sensitive and should not be exposed to frost.
What are good companion plants for Korean Zucchini?
Good companion plants for Korean Zucchini include Corn, Bean, Nasturtium, Marigold. Avoid planting near Potato.
How long does Korean Zucchini take to germinate?
Korean Zucchini seeds germinate in 4-10 days at an optimal temperature of 85°F.
When should I start Korean Zucchini seeds indoors?
Start Korean Zucchini seeds indoors 4 weeks before your last frost date.
Plan Your Korean Zucchini Garden
Track Korean Zucchini from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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