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Onion 'Alpine'

Allium cepa var. cepa

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Alpine is part of the Allium genus and is a Onion variety. Its scientific name is Allium cepa var. cepa 'Alpine'. Alpine is a hybrid variety. This variety is a Vegetable that typically grows as an Perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more. Alpine is known for growing to a height of approximately 45.0 cm (that's 1.46 feet in imperial).

Alpine Onion is great for inexperienced gardeners and those that like low maintainance gardens.

This plant info is provided by the myfolia gardener's wiki. All details about Onion 'Alpine' have been kindly provided by our members.

How to grow Onion 'Alpine'

Full Sun
+
Medium

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Alpine is thought of as very hardy, so this plant will tend to survive through freezing conditions. The USDA Hardiness Zones typically associated with Alpine are Zone 3 and Zone 10. Alpine requires a soil ph of 6.0 - 7.0 meaning it does best in weakly acidic soil - neutral soil.

Growing Alpine from seed

Try to aim for a seed spacing of at least 1.95 inches (5.0 cm) and sow at a depth of around 0.98 inches (2.5 cm). Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.

By our calculations, you should look at sowing Alpine about 28 days before your last frost date.

Transplanting Alpine

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Alpine is a very hardy plant.

Harvesting Alpine

Onion 'Alpine' information

Lifecycle The lifecycle that Alpine exhibits. Perennial Category The category for the Alpine plant. Vegetable
Hardiness Is Alpine frost hardy? Very Hardy
Mature Height How tall does Alpine grow? 45.0 cm / 1.46 feet
USDA Zone Range What zones does Alpine grow best in? Zone 3 - Zone 10 pH Range The level of acidity for Alpine. 6.0 - 7.0
Sun How much sunlight does Alpine need to grow? Full Sun
Water Requirements How much water does Alpine require? Medium Nitrogen Requirements How much nitrogen fertiliser does Alpine need? Low
Ideal Germination Temperature Range What temperatures does Alpine need in order to germinate? 13°C / 55°F to 35°C / 95°F Growing Temperatures What temperatures are best to grow Alpine in? Help build our wiki! to Help build our wiki!
Sowing Depth How deep to plant Alpine? 2.5 cm / 0.98 inches
Sowing Distance Apart How far apart to sow Alpine 5.0 cm / 1.95 inches
Edible? Is Alpine edible? edible

How long does Alpine take to grow?

These estimates for how long Onion 'Alpine' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

Days to Germination How long does it take Alpine to germinate? 14 days Average 14 days | Min days | Max days (0)
Days to Transplant How long until I can plant out Alpine? + 50 days Average 50 days | Min days | Max days (0)
Days to Maturity How long until Alpine is ready for harvest / bloom? + 120 days Average 120 days | Min days | Max days (0)
Total Growing Days How long does it take to grow Alpine? = 184 days

When should I sow Alpine?

Folia's when to plant Onion 'Alpine' estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!

Popular varieties of Onion

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Onion 'Alpine'

Allium cepa var. cepa

How to grow Onion 'Alpine'

Growing Alpine from seed

Transplanting Alpine

Harvesting Alpine

Onion 'Alpine' information

How long does Alpine take to grow?

When should I sow Alpine?

Popular varieties of Onion

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Onion 'Alpine'

Allium cepa var. cepa

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How to grow Onion 'Alpine'

Growing Alpine from seed

Transplanting Alpine

Harvesting Alpine

Onion 'Alpine' information

How long does Alpine take to grow?

When should I sow Alpine?

Popular varieties of Onion

Buzz

Listen in on the Grapevine

Folia Badges and Widgets