Sparkler Radish Seeds (Organic)

Radish - Sparkler - Raphanus sativus Annual Bright scarlet skin with white on lower third, round to round-oval shape, sweet juicy white flesh, medium tops, for home or market gardens, snappy flavor. The name "radish" comes from the Greek word for "fast appearing", aptly reflecting the way radishes grow! Soil & Water: Radishes prefer well-drained soil with plenty of added organic matter. They have low nutrient requirements; especially avoid excess nitrogen to promote good root development. Preferred soil pH is 6.0-7.0.

Variety Details

• Botanical name: Raphanus sativus
• Plant type: Annual
• Growth habit: Herbaceous
• Crop category: Radish
• Kitchen profile: Annual Bright scarlet skin with white on lower third, round to round-oval shape, sweet juicy white flesh, medium tops, for home or market gardens, snappy flavor.
• Recorded feature: Open-Pollinated
• Product format: Seed packet

Sowing & Growing

• Soil Temperature: 45-90°F
• Planting Depth: 1/2"
• Germination: 4-12 Days
• Height At Maturity: 3"-7"
• Days To Maturity: 24-28 Days
• Sun/Shade: Full Sun
• Spacing After Thinning: 4"-6"

Direct sow Sparkler Radish into a fine, loose seedbed during a suitable cool-season window. Keep the shallow root zone evenly moist as seedlings emerge, then thin to prevent crowding and misshapen roots. Radishes can change texture as they remain in the ground, so begin checking root shoulders near the early end of the maturity range. Harvest at the diameter and crispness you prefer, and date succession sowings separately.

Planting & Growing: Cool weather is needed for best development.

Before sowing Sparkler Radish, review the packet alongside the current product details and note any range in temperature, germination, or maturity. Ranges reflect biological and seasonal variation rather than a fixed promise. Label each planting with its date and location, then compare emergence, growth, and harvest with local weather. This record is useful for succession plantings and for deciding whether the crop fits better into an earlier or later seasonal window.

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