Leek is part of the Allium genus. Its scientific name is Allium ampeloprasum var. porrum.
Leek is part on the onion family and has a mild flavour. Blanch the stems to produce more white stem, but green leaves are also used
It flowers with a purple ‘allium’ type bloom in the second year
Blooms appear in these approximate colours: Palatinate purple and Lavender purple. When mature, blooms are roughly 6.0 cm (that's 2.34 inches in imperial) in diameter. The mature flowers are of a pompon form. When ripe, fruit appear in these approximate colours: Black. Leaves appear approximately as a Bottle green and Green-yellow
It is a flowering edible vegetable and is treated mainly as a biennial, so it grows best over the course of two years.
Leek normally grows with a erect habit to a mature height of 50.0 cm (that's 1.62 feet imperial). This plant tends to bloom in early summer, followed by first harvests in late summer.
If you would like to attract bees to your garden, consider growing this plant.
Leek is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!
This plant info is provided by the myfolia gardener's wiki. All details about Leek have been kindly provided by our members.
Hill up for blanching. Keep soil moist but don’t overwater. Takes some shade. Takes light freeze.
Hardiness varies depending on the variety.
A good way of blanching a leek is to cover the stem with the cardboard tube for kitchen paper or toilet roll. It does not blanch it in a professional way but it certainly stops a lot of soil getting between the leaves
Position in a partial sun / full sun location and remember to water moderately. Keep in mind when planting that Leek is thought of as very hardy, so this plant will survive though longer winters with little or no damage.
See our list of companion Plants for Leek to see which plants you should plant in close proximity to encourage growth.
Leek does not germinate when too much heat is applied. For best result, place your seeded container on bottom heat for 2 days and remove from heat.
In mild climates sow a row of seeds directly into the soil in the early spring, Sow thinly
By our calculations*, you should look at sowing Leek about 56 days before your last frost date .
Make hole with dibber 6 in or 15 cm deep and place plant into each hole then fill with water. DO NOT FILL HOLE WITH SOIL.
Or dig a trench about 6 in or 15 cm deep, plant young plants at the bottom and let nearby cultivation fill in the trench.Ensure that temperatures are mild and all chance of frost has passed before planting out, as Leek is a very hardy plant.
Stick your dibber into the ground next to the stalk and carefully lift the leek out of the soil. Don’t pull them, they will break!
Leeks can be left in the ground over winter and and harvested gradually.
If left to the spring they will begin to flower and the seeds can be collected
Collect seeds from flowers in the second year.
Seed viability is four years.
These estimates for how long Leek takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 11 days | Min 1 days | Max 32 days (278)
Average 58 days | Min 1 days | Max 148 days (111)
Average 186 days | Min 14 days | Max 286 days (109)
Our when to plant Leek estimates are relative to your last frost date.
did not germinate
MoonRabbit about growing Leek 'Tadorna'
Not as large as I would have hoped, but VERY flavourful.
KiriBean about growing Leek 'Lancelot' (X) #1
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