Brunswick | Onion Seed
$5.94—$209.13gst incl.
Traditional red German onion
Brunswick is a traditional red onion from the Brunswick-Lüneburg region of Germany, long grown across northern Europe. It produces large dark red bulbs and is most suited for the fresh market. This medium day, medium early maturing variety forms large, globe shaped bulbs with great flavour. Medium day onions are best suited to regions with 12–14 hours of daylight at bulbing, typically latitudes 32–40° south in Australia.
Sow in trays from May to July and transplant from July to September, allowing plants time to size up before bulbing begins under the longer days of late spring and early summer. Harvest is usually January to February. With its short storage life, Brunswick is best sold and eaten fresh, where its size, colour, and flavour make it a standout early season red onion option.
- Medium day, medium early maturity type
- Traditional German onion
- Dark red colour
- Globe shape with large bulb size
- Short storage, best for fresh market
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Growing Information
Brunswick | Onion Seed
SCIENTIFIC NAME: Allium cepa
CULTURE: Onions require full sun and fertile, well-drained soil with a pH of 6.0-7.0. Sandy loam soils are ideal; raised beds or raised rows are recommended for heavier soils to promote soil drainage.
DIRECT SEEDING: In October or early November, or as soon as the soil can be prepared in early spring, sow in a 5cm wide band, about 2 seeds/25mm, 6-12mm deep, use an X-24 or MJ-24 Jang seedwheel rows 30-45cm apart. Thin to 3-5cm apart for highest yields in fertile soil. Thin to 7-10cm apart for larger onions.
TRANSPLANTING: In short-season areas, sow seeds indoors in flats in late August to mid-September. Broadcast 12mm apart and cover 6mm. Tops may be clipped to 12cm tall. Transplant to the garden 10cm apart, or sow 5 seeds in each cell of 25-38mm diameter plug trays, thinning to 3 per cell. Transplant each cell 15cm apart. For Paperpot Transplanters use the 2.8mm seed plate and LP-15, 15cm chain pots
CULTIVATION: Keep onions well weeded with shallow cultivation.
WATER: Onions are shallow rooted and grow best with at least 25mm per week of rain or irrigation, especially during the bulbing phase.
WEEDING: Prepare the area with stale bedding, cultivating and flame weeding. Follow up after planting with a wide stirrup or collinear hoe for shallow row weeding.
DISEASES: Adequate air circulation and crop rotation aids in reducing the risk of foliar disease
HARVEST: When necks become soft and tops are falling over, pull and sun-cure at least 2-7 days, depending on weather. Move to a protected location to finish drying.
STORAGE: When dry, clip off tops and roots and store in onion bags or shallow boxes at near freezing and 65-70% humidity.
DAY LENGTH: Onion bulbing is triggered by day length, and maximum day length during the growing season increases from northern to southern Australian areas. Short-day onions are grown at higher latitudes in the northern states, while intermediate and long-day onions are grown at lower latitudes.
DAYS TO MATURITY: From direct seeding; subtract 10-15 days if transplants are used.
AVG. DIRECT SEEDING RATE: 30g/8m, 1000 seeds/15m, 5k/83m, 25k/400m, 580,000 seeds/acre, 60 seeds/linear metre, in rows 45cm apart.
TRANSPLANTS: Avg. 30g/5,000 plants, 100g/16,000
SIZED SEEDS: Standard on all varieties.
SEED SPECS: SEEDS/500grams: 100,000-130-000 (avg. 112,000).
