Raphanus sativus, (also called Butter Radish), Dating back to around 1910, Also possibly called Butter Radish (riesenbutter), This is a conventional-looking Globe-shaped radish, but with larger (4 to 5 cm diameter), deep crimson red, round roots. The solid white flesh inside is firm, crisp and mild to medium heat. Hardy, attractive and quick to mature, a very versatile, yet delicious-tasting radish. Preferring a cool season, Crimson Giant can be planted throughout the early or late seasons, and even in the shade! . It is also reluctant to become pithy or hollow, even when large. Sow to harvest 30 to 40 days (approx.), Seed Count Approx - 110 avg SOWING - Needs Sun, Sown 2 - 3 weeks before the last frost. Plant half-inch deep & apart in rows1 foot apart. Keep thinning until one inch apart like carrots, so radishes can expand. Keep moist but not soggy until germination, then slightly moist to prevent them from going pithy. Successive sow every 2 - 3 weeks through the season into early summer, skip the heat of summer and sow once more in early autumn.