• purple Vienna kohlrabi vegetable plants with green leaves growing in a garden setting
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Purple Vienna Kohlrabi Seeds by West Coast Seeds (Brassica oleracea var. gongylodes)

Purple Vienna Kohlrabi Seeds by West Coast Seeds (Brassica oleracea var. gongylodes)

Purple Vienna Kohlrabi (Brassica oleracea var. gongylodes) is a classic heirloom vegetable known for its distinctive round purple stems that swell into crisp, edible bulbs above the soil surface. The plant produces upright leafy growth and smooth violet skin surrounding a tender white interior. This cool-season crop is valued for its mild, slightly sweet flavor and crunchy texture.

In vegetable gardens, Purple Vienna kohlrabi grows as a compact plant suitable for raised beds, traditional garden rows, and container cultivation with adequate depth. The bulbs are commonly harvested young for the best texture and can be enjoyed raw in salads, slaws, and vegetable platters or lightly cooked in stir-fries and roasted dishes. The leafy tops are also edible and can be prepared similarly to other brassica greens.

Purple Vienna is considered a reliable heirloom variety widely grown for its uniform bulb formation and dependable performance in cooler climates. This listing is for seed packets only and does not include live plants.

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Sun Requirements ▾

Kohlrabi performs best in full sun where plants receive strong direct light for most of the day. Partial shade is tolerated but may slow bulb development. Insufficient light can lead to smaller bulbs and elongated leaf growth.

Watering Instructions ▾

Maintain consistent soil moisture throughout the growing period to support even bulb formation. Water when the top layer of soil begins to dry while avoiding waterlogged conditions that may lead to root stress. In warmer conditions, slightly increased watering may be required to maintain steady growth.

Care Tips ▾

Purple Vienna kohlrabi grows best in fertile, well-draining soil rich in organic matter. Stable growing temperatures typical of spring and fall seasons support strong development, while moderate humidity helps maintain consistent plant growth. Loose soil structure allows the stem bulbs to expand evenly without distortion. Sow Purple Vienna kohlrabi seeds directly outdoors in early spring once soil temperatures reach approximately 10–18°C, or in late summer for a fall harvest. Seeds typically germinate within 5–10 days. Bulbs are usually ready to harvest in about 45–60 days when they reach roughly 5–8 cm in diameter. Harvest promptly while bulbs remain tender to prevent woody texture.
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