Black Spanish Round

Black Spanish Round

SKU: RD683
This winter-hardy heirloom is a distinctive black colour on the outside with a milky white and tender interior that packs a bit of bite. Large turnip-shaped 8-10cm (3-4") diameter globes with deep black skins over solid, crisp, pungent, pure-white flesh. Read More

Exposure Full-sun

Matures in 60 days

Season Cool season

Shipping & Returns

West Coast Seeds ships anywhere in North America. However, we are not able to ship garlic, potatoes, asparagus crowns, bulbs, onion sets, Mason bee cocoons, or nematodes outside of Canada. We regret, we cannot accept returns or damages for orders outside of Canada. The minimum shipping charge to the US is $6.99.

More details about Black Spanish Round

This winter-hardy heirloom is a distinctive black colour on the outside with a milky white and tender interior that packs a bit of bite. Large turnip-shaped 8-10cm (3-4") diameter globes with deep black skins over solid, crisp, pungent, pure-white flesh. Black Spanish Round radish seeds have very tall tops, and are primarily grown for winter storage. They will stay fresh all winter if stored wet sand. This variety was introduced before 1824, and is listed in some old seed catalogues as Noir Gros Rond d'Hiver. Plant Black Spanish Round radish seeds in mid to late summer and eat when it is the size of a quarter. Space radishes 8-10cm (3-4") apart.

Matures in 60 days. (Open-pollinated seeds)

Quick Facts:

    • Tender and packs a bite
    • Distinctive black skin
    • Winter hardy heirloom
    • Open-pollinated seeds
    • Matures in 60 days

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All About Black Spanish Round

Latin

Latin
Raphanus sativus
Family: Brassicaceae

Difficulty

Difficulty
Easy

We Recommend:

We Recommend: If you don’t already have a favourite, go for variety: The Easter Egg Mix (RD674) can’t be surpassed for showing everything a radish can be. Not only do you get a mix of colours, but you’ll come to appreciate subtle flavour differences, and differences in piquancy, or spiciness.

Season & Zone

Season & Zone
Season: Cool season
Exposure: Full sun

Timing

Timing
Radishes can be grown all season but they’re easiest when sown just after the last frost date and again at the end of summer and into the fall. Optimal soil temperature: 18-24°C (65-75°F). Seeds should sprout in 5-7 days.

Starting

Starting
Sow seeds 5mm (¼”) deep, 25 seeds per 30cm (12″) in rows spaced 30-45cm (12-18″) apart, and thin to 6-12 plants per 30cm (12″).

Days to Maturity:

Days to Maturity: From direct sowing.

Growing

Growing
Ideal pH: 6.0-6.8. Radishes are moderate to heavy feeders. Best in rich, loamy soil amended with composted manure. Add 1 cup of complete organic fertilizer for every 3m (10′) of row for background fertility. Lime beds the previous fall. The real secret to growing this little vegetable is speed. Sow a short row frequently, thin them quickly, keep them watered, eat them quickly, and sow some more.

Harvest

Harvest
Harvest promptly when radishes are the size of large marbles. The leaves and developing seedpods are also tasty.

Seed Info

Seed Info
In optimal conditions at least 80% of seeds will germinate. Usual seed life: 4 years. Per 100′ row: 1.2M seeds, per acre: 522M seeds.

Diseases & Pests

Diseases & Pests
Root maggots and flea beetles can be a problem. Expect to lose 20-30% of your crop to maggots if you don’t use a floating row cover.

Companion Planting

Companion Planting
Plant radishes near beans, beets, celeriac, chervil, cucumber, lettuce, mint, parsnip, peas, spinach, squash, and tomatoes. Avoid planting near Agastache or potatoes. It is said that planting 3 or 4 icicle radishes around the mound where you plant squash, and allowing them to grow and bloom, will prevent most pests of squash and cucumber.

More on Companion Planting.

How to Grow Radishes

Step 1: Timing

Radishes can be grown all season but they’re easiest when sown just after the last frost date and again at the end of summer and into the fall. Optimal soil temperature: 18-24°C (65-75°F). Seeds should sprout in 5-7 days.

Step 2: Starting

Sow seeds 5mm (¼”) deep, 25 seeds per 30cm (12″) in rows spaced 30-45cm (12-18″) apart, and thin to 6-12 plants per 30cm (12″).

Step 3: Growing

Ideal pH: 6.0-6.8.

Radishes are moderate to heavy feeders. Best in rich, loamy soil amended with composted manure. Add 1 cup of complete organic fertilizer for every 3m (10′) of row for background fertility. Lime beds the previous fall. The real secret to growing this little vegetable is speed. Sow a short row frequently, thin them quickly, keep them watered, eat them quickly, and sow some more.

Step 4: Germination

From direct sowing.

In optimal conditions at least 80% of seeds will germinate. Usual seed life: 4 years. Per 100′ row: 1.2M seeds, per acre: 522M seeds.

Step 5: Harvest

Harvest promptly when radishes are the size of large marbles. The leaves and developing seedpods are also tasty.

Tips!

Disease & Pests: Root maggots and flea beetles can be a problem. Expect to lose 20-30% of your crop to maggots if you don’t use a floating row cover.

Companion Planting: Plant radishes near beans, beets, celeriac, chervil, cucumber, lettuce, mint, parsnip, peas, spinach, squash, and tomatoes. Avoid planting near Agastache or potatoes. It is said that planting 3 or 4 icicle radishes around the mound where you plant squash, and allowing them to grow and bloom, will prevent most pests of squash and cucumber.

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