How long do radishes take to grow?

Most radishes mature in about 24 to 60 days depending on the variety, measured from planting.

When to Plant Radishes

Plant radishes by your frost dates, not the calendar: plant outdoors about 2 weeks before your last frost. Pick your USDA zone below for exact dates.

Radishes planting calendar

spring planting

🌿

Direct sow

Apr 1

🌾

Projected first harvest

May 31

fall planting

🌿

Direct sow

Aug 25

🌾

Projected first harvest

Oct 24

JJan

FFeb

MMar

AApr

MMay

JJun

JJul

AAug

SSep

OOct

NNov

DDec

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a — approximate

Most radishes mature in about 24 to 60 days depending on the variety. Dates above use zone 7 as a reference point. Pick your zone below, or set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

6 varieties of radishes in the HomeSown library. Tap any for its full grow guide.

Black Spanish Radish →Cherry Belle Radish →Daikon Radish →Easter Egg Radish →French Breakfast Radish →Watermelon Radish →

Common problems with radishes

What to watch for, with identification and treatment for each

Seed Corn Maggot Wireworms Cabbage Maggot Cabbage Root Maggot Diamondback Moth Harlequin Bug Common Scab Forking Woody Roots Hollow Heart Cracking & Splitting Clubroot

🌱 Grow radishes with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →

When to plant radishes in your zone

Zone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →Zone 10 →