- Watering. Keep growing leeks well-watered throughout the season. Periods of drought may prevent full bulb formation.
- Fertilizing. Plant leeks in soil that has been amended with compost. Leeks are heavy feeders, so throughout the growing season, side-feed with nitrogen fertilizer.
- Pruning. You may cut some of the above-ground leaves of the leek plant to encourage the growth of the bulb.
- Crop rotation. Don’t plant where you recently grew onions or garlic.
- Succession sowing. Start seeds at different times so you can harvest leeks at different intervals. ...
- Additional Tip. Don’t forget to cover the bulb regularly to encourage blanching of the growing leek root. ...
What is the best fertilizer for leeks?
Leeks need fertilizer to grow. You can find organic fertilizers at your local garden store, or you can make a homemade version with manure and compost. For best results, apply the fertilizer every three weeks during the growing season. When applying it to the leek plants add enough water so that it will dissolve in the well before watering again.
How often do you feed leeks?
Feed leeks again 3 weeks after planting with a high-nitrogen organic fertilizer ( blood meal, manure, etc.). Continue to feed leeks about every 3 weeks during the growing season to encourage large leaves. Water well after each fertilizer application.
What do leeks taste like & how do you eat them?
When eaten raw, leeks are crunchy and nutritious. Toss chopped leeks into salads or use to garnish a hearty main dish. Swap a leek for the onions in a soup or casserole recipe, and enjoy the more delicate flavor that results.
What to do with leeks and potatoes?
French leek and potato soup is a favorite dish in which leeks and potatoes are pureed in a cream-based soup. You can also add sliced likes to a creamy dip to add onion-like flavor without overwhelming the dip. Try roasting them whole and serving alongside meats or eggs.
Do leeks need feeding?
FERTILIZING: Leeks require a lot of nitrogen. Give plants a supplemental feeding of liquid fish emulsion or other fertilizer about 3 weeks after planting; continue to fertilize every 3-4 weeks thereafter. If you use a dry granular fertilizer, water it in well.
How do you fatten up leeks?
Keep the plants moist and apply mulch to the surrounding beds to aid in moisture retention. A dose of compost tea, liquid kelp, or fish emulsion will also benefit the leek beds. Also, rotate the leek crops and don't plant them immediately after an area of potato harvest, as the soil will be too loose.
Do leeks like blood meal?
Leeks are heavy feeders and benefit from regular additional fertilizer. Feed your leeks right after planting with an organic fertilizer high in phosphorus (the middle number on a fertilizer ratio). Feed leeks again 3 weeks after planting with a high-nitrogen organic fertilizer (blood meal, manure, etc.).
How often do you feed leeks?
Keep the soil moist but not waterlogged. Every couple of weeks water with a general purpose liquid feed at the recommended rate on the pack. When the seedlings are about 3cm / 1in high (see picture above) thin out the seedlings so that they are about 2cm apart.
Is growmore good for leeks?
I never trim leeks when transplanting. Like onions, they are hungry plants, so feed them with a sprinkle of growmore or other general fertilizer to help them on their way.
Do leeks need lots of water?
Tending leeks Keep plants well watered, especially during dry spells and keep weed-free with regular hoeing or with a thick mulch – this will also help retain moisture.
What fertiliser do leeks like?
Leeks are very adaptable but for best results choose a sunny position with well drained soil. Apply dolomite or lime to ensure the soil is not too acidic for them and mix in some manure/compost and organic pelletised fertiliser. The goal with leeks is to have as much of the stem, called a shank, as white as possible.
Is bone meal good for leeks?
Bone meal is an exceptional organic fertilizer to add for flowering plants like roses and amaryllis. It also boosts the growth of alliums such as garlic, leeks, and onions.
Can you overwater leeks?
To encourage growth of a longer edible sheaf, leeks should be planted deeper (up to 12 inches) into the soil. Plants require regular watering, but overwatering should be avoided to prevent fungal development.
Do leeks like manure?
Sow. For a bumper crop of leeks, improve the growing site by digging in plenty of garden compost or well-rotted manure, ideally in autumn. Leeks are best suited for growing in open ground, but you could grow several in large, deep containers or raised beds.
Why are my leeks wilting?
Onion White Rot: This fungus causes the leaves to wilt and turn yellow. Under wet conditions, the plants may not wilt but will become loose in the soil. If you lift the plants, you will see a white fluffy growth on the base.
How often should you water onion leeks?
every 7-10 daysBe careful not to introduce soil between the leaves as this can make for gritty eating. During extended dry periods, water the plants thoroughly by giving them a good soaking every 7-10 days. Keep weeds away throughout their growing period by carefully hoeing between the plants.
1. Plant leeks at the right time
Leeks grow best in temperatures between 55°F – 75°F. Transplant leeks outside as soon as the soil can be worked and daytime temperatures are at least 45°F.
3. Start seeds indoors or plant leeks from transplant
Leeks have a long growing season so it’s important to plan ahead and start seeds indoors or buy transplants .
6. Feed leeks regularly during the growing season
Leeks are heavy feeders and benefit from regular additional fertilizer. Feed your leeks right after planting with an organic fertilizer high in phosphorus (the middle number on a fertilizer ratio).
7. Harvest leeks as needed
When growing leeks from transplant, harvest as desired anytime 30 days after planting. Dig out or pull when large enough for use (usually when the stalk is between 1-2 inches).
8. Store and prepare leeks correctly
Grit and soil often become trapped in leek layers. Clean leeks thoroughly by slicing them in half lengthwise, separating layers and rinsing to remove all traces of dirt.
10 Best Leek Fertilizer s
If you are looking for an all-around great option for leeks then I recommend the Miracle-Gro All Purpose Plant Food. This is one of the Best Leek Fertilizers EVER!
4 Frequently Asked Questions
Fertilizing your garden is not as easy as pouring it from the bag onto your plants.
Conclusion
As I have talked about above, there is an art and science to fertilizing.
What Are Leeks and What Do They Taste Like?
A member of the Allium family, leeks are a bulbous vegetable with a white base that transitions from light green to dark green at the top. Only the tender white portion is eaten. Some mistake this portion as the stem or stalk, but it is actually a cylindrical bundle of leaf sheaths.
How to Pick Leeks
Because you'll be using only the white and light green parts for cooking, look for leeks with plenty of white coming up from the root. Smaller leaks tend to be more flavorful.
How to Cook With Leeks
Braised, steamed, sautéed, poached, or pureed, a sturdy-looking leek cooks down to velvety sweetness. French leek and potato soup is a favorite dish in which leeks and potatoes are pureed in a cream-based soup. You can also add sliced likes to a creamy dip to add onion-like flavor without overwhelming the dip.
How to Store Leeks
Leeks can keep for months when stored in a root cellar, or up to two weeks when loosely wrapped in plastic and kept in the fridge. Don't wash or trim them until you're ready to use, as this can help prevent their odor from being absorbed by neighboring foods.
Leeks Nutrition
Leeks are low in calories, much like green onions, and boast a number of health benefits:
Leek vs. Green Onions
Green onions are the best substitute for leeks, however, they're still quite different. Unlike leeks which tenderize while cooking, green onions can become slimy under high heat. Green onions have a much pungent flavor than leeks, which is why they are generally added to dishes after cooking to add freshness and crunch.
Leek Varieties
Wondering which types of leek varieties to plant? Here are some popular options and their advantages:
Planting Leeks
Now that you’ve picked a variety, you’re ready to start your journey into the world of growing leeks.
Caring for your Leek Plants
Keep growing leeks well-watered throughout the season. Periods of drought may prevent full bulb formation. Soak growing leeks at a depth of 18-inches at least once a week.
Problems and Solutions for Growing Leeks
Dirty bulbs – Hilling too high can cause dirt to get stuck in the stems of your leek plants. Some dirt will find its way inside the plant, so be sure to clean out the bulbs before cooking or eating leeks, but there shouldn’t be an excess of dirt present. If there is, you’re hilling too high or too quickly.
Companion Planting for Leeks
Here are the best and worst plants to place right next to your leeks. All these are suitable friends for your leek plants, but carrots win out. Growing leeks near your carrot patch will help deter certain carrot-loving pests.
Harvesting & Storing Leeks
Harvesting: Leeks are ready for harvesting long after you’ve started them, so be patient. Harvest when the bulbs are at least 1-inch in diameter. You can wait until the bulb is larger, but don’t wait until the ground is frozen or you won’t be able to pull your leeks from the earth. Leeks should be harvested before the first frost.
Recipes
I love using leeks when I cook. I often use them in place of onion for a different flavor note. They’re great in soups and stews. One of my favorite ways to use leek is cooking au-gratin (meaning, with cheese) mixed with shredded carrot. My second favorite way is in empanadas.
Melted, fried and pickled: learn how to cook leeks using our favorite methods!
All my culinary school textbooks defined mirepoix as equal parts leeks, onions, carrots and celery. These ingredients were the building blocks for most French cooking, including soups, stocks and sauces.The instructors warned us that many commercial kitchens don’t use leeks anymore, so we should get used to using two parts onions as a substitute.
How to Cook Leeks
This is my number one, absolute favorite way to prepare leeks. Like caramelized onions, they literally melt in your mouth as you eat them, but they take significantly less time to create. They taste fantastic as a steak topper, on pizzas instead of onions or folded into mashed potatoes.
Sicilian Steamed Leeks
I love the challenge of developing recipes for my garden leeks, a delicious underused vegetable. This Italian-flavored dish is a family favorite. —Roxanne Chan, Albany, California
Popular Videos
After years of working in professional kitchens, Lindsay traded her knives in for the pen. While she spends most of her time writing these days, she still exercises her culinary muscles on the regular, taking any opportunity to turn local, seasonal ingredients into beautiful meals for her family.
Tips
If you have extra leeks that you don't want to cook yet, they can be frozen––see: How to Freeze Leeks.
About This Article
This article was co-authored by wikiHow Staff. Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards.
Leeks are a hugely versatile veggie. Learn how to quickly clean and prep this delicious ingredient with tips from our Test Kitchen
Leeks are a hugely versatile veggie. Learn how to quickly clean and prep this delicious ingredient with tips from our Test Kitchen.
Cheesy Chicken and Leek Phyllo Pie
In our house, chicken potpie is a year-round staple. For a springtime feel, we use leeks and mushrooms and a lighter phyllo dough crust. If you don't have gruyere, try Parmesan. —Andrea Stewart, Toronto, Ontario
Popular Videos
Nicole is a writer, editor and lover of Italian food. In her spare time, you’ll find her thumbing through vintage cookbooks or testing out recipes in her tiny kitchen.