Musselburgh

Family: Amaryllidaceae Vegetable

Planting Schedule

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Sweetly mild and richly savory, Musselburgh leeks offer a tender, buttery bite with a pale, creamy core that feels smooth and substantial in the hand.

As the season advances, the shafts build into sturdy, upright stalks with a clean, fine texture—ideal for slow-roasting depth, velvety sauces, and comforting soups where their gentle allium character shines. Grow Musselburgh for a classic market-class leek that rewards patience with an elegant, harvest-ready form at about 120 days.

Light: Full SunMaturity: 120 DaysHabit: Upright

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Musselburgh Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Protected Environment Only
Zone 2b	Protected Environment Only
Zone 3a	Protected Environment Only
Zone 3b	Mar 10th	May 12th	Sep 9th – Sep 21st
Zone 4a	Mar 6th	May 8th	Sep 5th – Sep 24th
Zone 4b	Mar 4th	May 6th	Sep 3rd – Sep 27th
Zone 5a	Feb 27th	May 1st	Aug 29th – Sep 30th
Zone 5b	Feb 23rd	Apr 27th	Aug 25th – Oct 5th
Zone 6a	Feb 20th	Apr 24th	Aug 22nd – Oct 10th
Zone 6b	Feb 14th	Apr 18th	Aug 16th – Oct 16th
Zone 7a	Feb 9th	Apr 13th	Aug 11th – Oct 20th
Zone 7b	Jan 30th	Apr 3rd	Aug 1st – Oct 28th
Zone 8a	Jan 21st	Mar 25th	Jul 23rd – Nov 5th
Zone 8b	Jan 12th	Mar 16th	Jul 14th – Nov 12th
Zone 9a	Dec 26th	Feb 27th	Jun 27th – Nov 26th
Zone 9b	Dec 1st	Feb 2nd	Jun 2nd – Dec 9th
Zone 10a	—	Oct 1st	Jan 29th – Feb 28th
Zone 10b	—	Oct 1st	Jan 29th – Feb 28th
Zone 11a	—	Oct 1st	Jan 29th – Feb 28th
Zone 11b	—	Oct 1st	Jan 29th – Feb 28th
Zone 12a	—	Oct 1st	Jan 29th – Feb 28th
Zone 12b	—	Oct 1st	Jan 29th – Feb 28th
Zone 13a	—	Oct 1st	Jan 29th – Feb 28th
Zone 13b	—	Oct 1st	Jan 29th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	120
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	6

Culinary Notes

Chef's Note

Musselburgh leeks cook down into a silky, almost custard-like softness while keeping a sweet, savory backbone—no harsh allium sting. It’s the kind of market-class leek that makes simple butter-and-cream preparations feel expensive, because the core stays smooth instead of turning stringy.

Best Uses

slow-roast until melting-tender and lightly caramelized at the edges
velouté-style leek sauce (blend smooth, finish with butter/cream)
potage or chowder where leeks become the body of the soup
thick-slice sauté or braise for a fork-tender side that holds texture

Flavor Profile

sweetly mild allium character buttery-tender bite with smooth, creamy core gentle savory depth that doesn’t bite silky texture when cooked soft

Kitchen Pairings

butter heavy cream potatoes thyme gruyère white wine

Frequently Asked Questions

What pest or disease commonly affects Allium ampeloprasum var. porrum (Musselburgh leeks), and how do I control it?

Leeks are especially prone to leek rust (Puccinia allii), which shows as orange-brown pustules on the leaves, and it spreads quickly in warm, humid weather. Remove and destroy heavily infected leaves, improve airflow (avoid crowding), and water at the soil line rather than overhead to keep foliage drier. If it’s recurring, start the next crop with fresh bed areas and use resistant planting stock where available.

How often should I water Musselburgh leeks during the main growing period?

During active leaf growth (most of the ~120 days), keep the planting bed consistently evenly moist—aim for soil that feels like a wrung-out sponge at 2–3 inches deep. Water about 1–2 times per week depending on weather, and increase frequency during hot, dry spells to prevent the thin, woody stems/leaves typical of drought stress. Mulch helps maintain moisture, but avoid waterlogging because leeks dislike soggy soil.

How can I tell when Musselburgh leeks are ready to harvest?

Harvest when plants reach mature thickness for your bed spacing—typically when stems are firm and substantial, often around 100–120 days from transplanting for many home schedules. Look for well-developed, blanched (or soil-covered) bases and sturdy green tops that don’t look collapsed or overly thin. You can harvest selectively as needed, pulling gently and keeping roots intact for easier storage.