📍 Evansville, IN · Zone 7a · Last frost Friday, April 10, 2026
✏️ ChangeWhen to Plant Nasturtium in Evansville, Indiana (47708)
Location
Evansville, Indiana
ZIP Code
47708
USDA Zone
7a
Last Frost
Friday, April 10, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Friday, April 17, 2026
Based on last frost Friday, April 10, 2026 · Zone 7a
Pro tip: Sow Nasturtium directly outdoors 1 week after your last frost date — it needs warm soil.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun to Partial Shade
💧
Water
Low (drought tolerant)
↔️
Spacing
12" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 7-14 days
Ready to Plant Nasturtium in Evansville?
Get your seeds now so they're ready by Friday, April 17, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Nasturtium
See which plants help Nasturtium thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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Common Nasturtium Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Alaska
Variegated white-splashed leaves with bright mixed flowers; edible blooms and leaves.
Jewel Mix
Classic bushy mix of red, orange, and yellow flowers; most commonly grown variety.
Empress of India
Heirloom compact variety with deep scarlet flowers against dark blue-green foliage.
Moonlight
Trailing variety with pale yellow flowers; beautiful in hanging baskets.
🌾 Seed Saving Guide
🟢 EasyWhen to Harvest Seed
Seeds ripen quickly after flowering — collect wrinkled, tan-brown seeds directly from the plant.
Processing
Pick seeds when tan and firm, lay flat to dry for 2 weeks before storing.
Seed Viability
Up to 5 years when stored cool, dark, and dry.
Pro Tip
Large, easy-to-handle seeds make nasturtium one of the best plants for beginner seed savers.
Raised Bed Planting Guides
A 4×8 bed fits 32 plants of Nasturtium. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Nasturtium in Evansville, Indiana? +
In Evansville (Zone 7a), direct sow Nasturtium outdoors around Friday, April 17, 2026.
What is the last frost date for Evansville, Indiana? +
The average last spring frost date for Evansville, Indiana (ZIP 47708) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.
How long does Nasturtium take to grow? +
Nasturtium typically matures in about 60 days from direct sowing. In Evansville, that means you can expect harvest around Friday, April 17, 2026 plus 60 days.
Should I start Nasturtium indoors or direct sow in Indiana? +
Nasturtium does best when direct sown outdoors. In Evansville, sow directly around Friday, April 17, 2026.
📚 More Nasturtium Planting Guides
Other Plants for Evansville
Growing Nasturtium in Zone 7a
Nasturtium (Tropaeolum majus) is a popular garden vegetable. In Evansville, Indiana, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, April 17, 2026.
Your average last frost date is Friday, April 10, 2026. Nasturtium grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.