Radish: Watermelon Overview - Growing Tips - Smart Gardener

Legend

• Start Indoors
• Transplant
• Start Outdoors
• Care
• Harvest
• Succession Plant

Legend

• Start Indoors
• Transplant
• Start Outdoors
• Care
• Harvest
• Succession plant

Legend

• Start Indoors
• Transplant
• Start Outdoors
• Care
• Harvest
• Succession plant

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Plant Guide

Renees GardenHeirloomUntreatedSeed Packs

• Cold, Cool, Warm
• Annual

Radish : Watermelon

• 

Perfect to shred on salad, or for a colorful snack

Unique Asian heirloom, also called "Beauty Heart", produces large, 2 to 4 inch roots with pale green exteriors and lovely, rose- red colored mild flesh the same color as a ripe watermelon.

Brassicaceae Raphanus sativus

• Overview Overview
  • Overview
  • Growing Options
  • Related Plants
• Prep Prep
  • Soil Prep
  • Needs List
• Plant Plant
  • Start Outdoors
• Care Care
  • Crop Care
  • Care Notes
• Harvest Harvest
  • Harvesting
  • Storage
  • Seed Saving
  • Culinary
• Problems Problems
  • Problems
  • Diseases
  • Pests
• Ratings / Review

This is an example of the timeline you would see based on your growing conditions. Radish: Specialty

Watermelon

These grow best in cool weather and mature in as little as one month, making them one of the fastest growing plants under good growing conditions. These radishes often come in an array of colors.

Basics

Ease of Growing Easy Grown as Annual Days to Maturity 65 (Spring/Summer), 65 (Fall/Winter) Growing Habit - Hardiness Hardy

Very hardy.

Crops Spring, Summer, Fall, Winter Growing Season Short, Long Cultivar Type - Growing Conditions Cold, Cool, Warm

Radishes are most easily grown in spring and fall, as they prefer short days (up to 12 hours long) and cool weather. Temperatures much above 70 degrees F cause them to be very pungent.

Outdoor Growing Temp 40°F - 75°F Min Outdoor Soil Temp 45°F

Don’t plant your first spring Radishes until the soil temperature reaches at least 45˚ F, which may be around the last frost date.

If you warm the soil up with black plastic or cloches, you could get them going a month earlier than this (they are quite frost tolerant).

Start Indoors No Start Outdoors Yes Light Sun: min. 6 hours daily (Cold, Cool)

In cool weather Radishes are grown in full sun.

Part shade (Warm)

In warm weather they may benefit from light shade.

Water Moderate

Radishes must have a steady supply of water for best quality, so keep the soil evenly moist at all times. Too little water can result in woodiness and excessive pungency (such roots are pithy and have marked growth rings). Too much water may encourage top growth at the expense of the roots.

Feeder Moderate

Low nitrogen. Moderate potassium. Moderate phosphorus. Radishes don't need a lot of nitrogen (don't give them fresh manure), but they do like potassium and phosphorus.

Suitability Tolerates light frost, Partial shade, Needs summer shade Small Gardens? Yes Containers? Yes

Radishes can grow easily in an assortment of containers. Grow and thin as you would in a ground garden. Just make sure that your container has a depth of at least 6". Use a pot with good drainage and fill with a mixture of potting soil and compost. Water thoroughly and place in direct overhead sunlight. Radishes need lots of water and sunshine, but they need partial shade in really hot climates.

Attracts beneficial insects? No Color Green Fruit Size 0.5 - " Plant Height 4.0 - 6.0" Plant Diameter 3.0 - 4.0" Good Companions Squash, Summer, Nasturtium, Squash, Winter, Melon, Broccoli, Beet & Beetroot, Carrot, Cucumber, Lettuce, Parsnip, Spinach, Peas Bad Companions Cauliflower, Brussels Sprouts, Kohlrabi Hardiness Zone 1-11 Disease Resistance Taste Profile

Sweet, mild to just slightly peppery flesh is perfect to shred onto salads.

Rotation Group Roots: Alliums + Umbeliferae Last Frost Date (LFD) refers to the approximate date of the last killing frost of spring. Example first frost date on April 08. First Frost Date (FFD) refers to the approximate date of the first killing frost of winter. Example first frost date on November 01. Current week.