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When to Plant Radish in Phillips, Wisconsin (54555)

Location

Phillips, Wisconsin

ZIP Code

54555

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 3, 2026

Pro Tip: Sow Radish directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rhaphanus sativus
Days to Maturity 25 days
Mature Height 6-12"
Spread 3"
Type Root
Fruit Size Small (1-2 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

2" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 3-7 days

Ready to Plant Radish in Phillips?

Get your seeds now so they're ready by Friday, April 3, 2026.

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🤝 Good Companions

CarrotLettucePeaCucumberSpinach

⚠️ Avoid Planting Near

Hyssop

Other Plants for Phillips

Growing Radish in Zone 4a

Radish (Rhaphanus sativus) is a popular garden vegetable. In Phillips, Wisconsin, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.

Your average last frost date is Friday, May 15, 2026. Radish grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.