How to Grow Watermelon Radish

Ready to grow Watermelon Radish?

Order seeds from trusted suppliers.

🛒 Amazon 🌿 True Leaf

* Affiliate links — we may earn a small commission at no extra cost to you.

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

* Affiliate links — we may earn a small commission at no extra cost to you.

Find Your Watermelon Radish Planting Dates

Try:

🌿 Plant Overview

Scientific Name Raphanus sativus

Category vegetable

Days to Maturity 60 days

Starting Method Direct Sow

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

4" apart

🌱

Depth

0.5" deep

📏

Height

6-10"

🌱

Germination

3-7 days

Ready to Grow Watermelon Radish?

Find quality seeds from trusted suppliers.

🛒 Buy on Amazon 🌿 True Leaf Market

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

CarrotSpinachLettucePea

⚠️ Avoid Planting Near

Hyssop

Watermelon Radish Planting Calendar by Zone

Watermelon Radish Planting Calendar by State

Other Plants

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussels Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Frequently Asked Questions

When should I plant Watermelon Radish? +

Sow Watermelon Radish seeds directly in the garden 4 weeks before your last frost date. Use the search on this page to find exact dates for your location.

How long does Watermelon Radish take to grow? +

Watermelon Radish typically matures in about 60 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Watermelon Radish indoors or direct sow? +

Watermelon Radish does best when direct sown outdoors. Plant seeds directly in the garden at the appropriate time based on your local frost dates.

How much sun does Watermelon Radish need? +

Watermelon Radish requires full sun (6-8 hours) to thrive.

How far apart should I plant Watermelon Radish? +

Space Watermelon Radish plants 4 inches apart to allow adequate airflow and root development.

How much water does Watermelon Radish need? +

Watermelon Radish has regular (1-2 inches/week) water needs. Consistent moisture is important especially during germination and early growth.

About Watermelon Radish

Stunning daikon-type radish with white exterior and vivid pink-red interior. Mild and sweet. Best grown in cool weather (spring or fall). A social media favorite.

Expect your Watermelon Radish to be ready for harvest in approximately 60 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.