Zucchini & Summer Squash
Best varieties: Black Beauty, Costata Romanesco, Gold Rush Yellow, Pattypan
Easy
Vegetable
🐾 Pet Safe
🌲 PNW Growing Notes
Very productive in Seattle summers. One or two plants can feed a family. Start indoors or direct sow after frost danger.
☀️ Light
Full sun (6+ hrs)
💧 Water
1–2 inches/week at base
🪨 Soil
Rich, well-drained, pH 6.0–7.5
📏 Spacing
36" apart
📅 Planting Timeline (Seattle)
🏠
Start Indoors
Apr
🌱
Direct Sow
May–Jun
🪴
Transplant Outdoors
May
🧺
Harvest
Jul–Oct
💡 Pro Tip
Harvest when 6–8 inches for best flavor. Check daily—they grow FAST. Hand-pollinate if bees are scarce early season.
🤝 Companion Planting
✅ Good Companions
Corn, Beans, Nasturtiums
❌ Keep Away From
Potatoes