Black Radish illustration

Growing Black Radish in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Black Radish in this zone. Huling frost: May 1. Unang frost: Okt 5.

Planting Calendar

Outdoor
Harvest
Mar 27Okt 5

Season: May 1 – Okt 5 (157 araw) · Succession: plant every 2 weeks (up to 6x)

Zone4b
Huling frostMay 1
Unang frostOkt 5
Season157 araw
Ani60 araw
ArawBuong Araw

When to Plant Black Radish in Zone 4b

Sow Seeds Outdoors: Mar 27

Direct sow Black Radish seeds outdoors around Mar 27. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm pagitan).

Harvest: May 26

First harvest approximately May 26 (~60 araw from planting). Continue harvesting until first frost (Okt 5).

Fall Planting: Ago 31

For a fall harvest, plant Black Radish around Ago 31 (5 weeks before first frost).

Plan Your Garden Black Radish

Track Black Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Black Radish Growing Guide