Onion Gladalan Brown ( Allium cepa ) are grown as annuals and are ‘short day’ onions. Short day onions are varieties that require the least sunlight to reach maturity. On average a short-day onion variety needs 10-12 hours of daylight every day. This makes them suitable for most climates, including the warmer regions, unlike some other varieties. Gladalan Brown onions are an open-pollinated, heirloom variety, mild tasting and can apparently be stored for 10 months!
This globe variety has a delicious mild flavour and is great for roasting and frying. Gladalan Browns are an heirloom variety that are open pollinated. Allium cepa are best stored in the fridge, where they will stay fresh for about a month. Onions have loads of health and medicinal properties.
Our other onion varieties include the California Red and the Spanish White.
Growth
Onion Gladalan Brown are usually grown as annuals. This variety is called brown onion in relation to their outer layer but the flesh inside is white and crisp. Germination to harvest time averages around 180-240 days. Plant onions straight into the garden or started them in pots and transplanted 4-6 weeks later.
Onions can be grown in containers / pots if the pot is large enough. Do not plant onions or other members of their family such as garlic, leek, chives in the same location as the season before to avoid any disease development.
Note: Germination instructions can be found in the ‘Germination Instructions Tab’ below. Upon purchase you will receive these detailed instructions via email so that you have a permanent record.
FAMILY:
Amaryllidaceae
CLIMATE:
Cold to Tropical
TEMPERATURE RANGE:
10-35°C / 50-95°F
SOIL TYPE:
Soil should be loose and well-draining but kept moist. Nutrient rich soil / compost is where onions will thrive the most.
LOCATION:
Full Sun. Will tolerate some light shade.
HEIGHT:
Up to 45 cm’s (1.5 feet) above ground
WIDTH:
Up to 10 cm’s (4 inches)
pH:
5.5-6.8
GROWTH TYPE:
Annual. Onion can be grown as a biennial for seed collecting the following year.
WATER REQUIREMENTS:
Medium
POLLINATION:
Pollinated by Insects, Open Pollination
MATURITY:
Average 180-240 days
GERMINATION RATES:
94%
GERMINATION TIME:
7-14 days at temperatures between 13-22°C / 55-75°F
GERMINATION DIFFICULTY:
Easy
SEEDS PER GRAM:
Approximately 280
MEDICINAL QUALITIES:
Yes
WEED POTENTIAL:
No
EDIBLE:
Yes
SEED STORAGE & VIABILITY:
Cold Storage at 4°C (Fridge) for 1-2 years.
FACTS ABOUT ALLIUM CEPA (Onion)
The most widely cultivated member of the Allium genus is the onion.
Onions have an inbuilt survival instinct that causes a release of gas during cutting. This gas is irritating to our eyes and triggers tears to flush out the irritant.
