🌱 MyLocalPlanting

When to Plant Broccoli in Newcastle, Nebraska (68757)

Location

Newcastle, Nebraska

ZIP Code

68757

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 29, 2026

Pro Tip: Broccoli can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica oleracea
Days to Maturity 60 days
Mature Height 18-30"
Spread 18"
Type Head
Fruit Size Medium (4-7 inch head)

☀️ Growing Requirements

☀️

Sun

Full Sun (6 hours)

💧

Water

Regular (1-1.5 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

🤝 Good Companions

BeetCeleryOnionPotatoDill

⚠️ Avoid Planting Near

TomatoStrawberryPepper

Other Plants for Newcastle

Growing Broccoli in Zone 5a

Broccoli (Brassica oleracea) is a popular garden vegetable. In Newcastle, Nebraska, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, March 29, 2026.

Your average last frost date is Sunday, May 10, 2026. Broccoli grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.