How to Plant, Grow, and Care for Garlic Chives

The flat leaves of garlic chives and their tasty chive scapes are both widely used in Asian cooking. They are easy to grow and very versatile for various dishes. Ann McCarron will cover all you need to know to grow and care for these alliums in this guide.

Contents

Garlic chives (also known as Chinese chives) are a versatile garden herb commonly grown in culinary herb garden settings and as an ornamental flowering perennial. At first glance, you could easily mistake garlic chives for common chives, or regular chives, but on closer inspection, you will see their leaves are very different, and they taste like garlic. 

This amazing herb is a staple in Chinese and Japanese cuisine, where it is treated as a vegetable and lightly steamed or cooked in broths, soups, egg, and seafood dishes and stir fry recipes, adding a delicious mild garlicky flavor. My absolute favorite way to use garlic chives is to gently sauté the flowering scapes in salty butter and drizzle them over baked cod. It tastes sublime!

In the west, garlic chives are grown more for their attractive flower display in garden borders than for cooking. This is perfectly understandable as the flowers are stunning and a magnet for pollinating and other beneficial insects. It can be grown in containers, flower borders, vegetable gardens alongside other herbs, and even as a dense ground cover. Garlic chives are prized for their compact, green, mounded foliage and tall flowering, light green stems topped with delicate white flowers in late summer and autumn. 

Garlic chives are one of those awesome herbs that fit perfectly in both edible and ornamental landscapes. Plus, one small chive will provide free garlic chives forever!

Plant Overview

Allium tuberosum with delicate white star-shaped flowers in umbrella-like clusters above thin green leaves.
Plant Vegetable
Family Amaryllidaceae
Genus Allium
Species Allium tuberosum
Native Area Assam, North-Central China, Nepal, West Himalaya
Exposure Full sun to partial shade
Height 12-18″
Watering Requirements Regular
Pests & Diseases Onion fly maggot, thrips, allium leaf miner, onion white rot, downy mildew
Maintenance Low
Soil Type Well-draining, sandy loam
Hardiness Zone 3-9

What are Garlic Chives?

Botanically known as Allium tuberosum, garlic chives come from the Amaryllidaceae family along with leeks, garlic, and onion. Common names include garlic chives, Chinese chives, oriental chives, flowering chives, Chinese leek as well as Gow Choy and Nira.

Native Area

A shot of a row of developing allium crops in rich soil in a well lit area outdoors
The crop is native to northern China, Assam, Nepal, and West Himalayas.

Its origins lie in northern China, and the first recorded use was around 4,000 years ago. They are also native to Assam, Nepal, and West Himalayas, but can now be found in most parts of the world.

Characteristics

A shot of a composition of flowering allium crops in a well lit area outdoors
The crops feature green/gray strap-like hollow leaves that can produce white flowers.

Garlic chives are a hardy, clump-forming herbaceous perennial that could easily be mistaken for grass outside of herb gardens. The leaves are green/grey, strap-like, and arched downwards at the tip. Unlike the hollow leaves of typical chives, garlic chive leaves are flat with a triangular cross-section and grow to a length of 12-15 inches. They are not as tender as onion chives and must be cooked before consumption. They are used in the same way, though, in soft cheeses, stir-fries, scrambled eggs, and baked goods.

Umbels of pretty white flowers are produced from late summer at the end of long, smooth flowering scapes (stems) rising above the foliage to around 18 inches. Umbels are two to three inches across and made up of 25 to 55 small, individual, six-petalled, star-shaped flowers. As autumn closes, the flowers gently fade to papery, light-brown fruiting pods containing angular, black seeds. The pods open when dry and release their seeds. 

Garlic chives are prolific self-seeders, but not invasive. They do seed readily however. People grow wild garlic chives freely in perennial gardens. Flowers can be removed before fruiting pods ripen to avoid unwanted seedlings popping up all over the garden.  

The roots of garlic chives are elongated bulbs attached to underground rhizomes. Each bulb produces four to nine leaves and a single flowering stem. The rhizomes spread, reaching a width of 20 inches in three years. This is an ideal time to divide them to prevent bulbs from becoming congested and unproductive.

As an herbaceous perennial, garlic chives die back in winter and new shoots appear early spring. In hotter climates, garlic chives can be evergreen. All parts are edible, but it is mainly grown for its greens, flowering scapes, yellow buds, and flowers. 

Planting

A shot of a developing green colored allium crop on a container outdoors
The crops can be planted in a location that received full sun to partial shade and with well-drained soil.

Garlic chive seeds and seedlings are available to purchase online or in garden centers from early spring and can be planted into their new growing location after the last frost. Divide mature chives in late autumn when it enters dormancy or in spring when the first shoots appear. Replant or pot up newly divided chives immediately.  

Sow seeds indoors in module trays in autumn or four to six weeks before the last frost date. Once all risk of frost has passed, plant seedlings outside and spaced eight inches between plants and rows. Sow seeds directly into drills from mid to late spring and thin seedlings to the same spacing.

Grow garlic chives in full sun to partial shade in fertile, well-drained, moisture-retentive soil. Container-grown chives require a good quality multi-purpose compost with plenty of added organic matter to help retain moisture. Garlic chives will grow happily indoors with adequate water and partial shade in the summer. 

How to Grow

This cool-season herb is low maintenance and easy to grow. Below are some helpful tips on how to grow flowering chives at home, so you can enjoy them in soups, breads, or stir fried.

Light

A shot of several developing and flowers allium crops basking in bright sunlight outdoors
The crops thrive in full sun to partial shade.

Grow garlic chives in full sun to partial shade with around four to six hours of sunlight a day for optimal growth. As a cool-season variety, garlic chives require the cooler temperatures of spring and late summer to develop leaves and flowers.

Yellow chives (known as called gow wang in Cantonese) are garlic chives grown without light. If you’d like to grow some yellow chives to add to noodle and seafood dishes, provide no light at all!

Water

An overhead shot of a black soaker hose on soil covered in mulch
Provide consistent watering at the base of the plants using a soaker irrigation system.

Garlic chives will tolerate periods of drought but grow best in consistently moist soils. The bulbs are located close to the surface and can dry out quickly, so water when the ground feels dry and apply mulch to retain moisture. Water in the morning using soaker hoses, watering cans, or sprinklers, ensuring the chives are given a good, long drink.

Winter watering isn’t necessary in colder climates. However, in warmer climates where garlic chives are evergreen, it will need to be watered occasionally.

Soil

A focused image of light brown sandy soil in big and small clumps.
Use a moisture-retentive, well-drained sandy loam.

The perfect conditions for growing garlic chives are fertile, moisture-retentive, well-drained sandy loam soil with lots of organic matter dug in or added as a mulch. The preferred pH range is 6-7, and the soil temperature required for germination is 60-70°F (16-21°C).

Temperature

An overhead shot of green leaves of an allium crop in a well lit area outdoors
The ideal temperature range for the plants is 40-85ºF.

The ideal growing temperature range is 40-85°F (4-29°C) in USDA zones 3-9. Bulbs and rhizomes should weather freezing temperatures pretty well, but if in doubt, add mulch for winter protection. High temperatures can cause garlic chives to become temporarily dormant. 

Fertilizing

Hand holding clumped slow-release osmocote fertilizer granules against a blurred green backdrop.
Provide the site with a slow-release fertilizer before planting the crops.

Prepare beds before planting with a slow-release fertilizer. Directly sown and established plants can be top-dressed with a nitrogen-rich fertilizer in late spring/early summer and watered in well. Provide a good mulch over winter to retain moisture and provide nutrients for the start of the following season.

Maintenance

An overhead flat-lay shot of multiple hand shears with different functions and varying colors of handlers, all placed on top of a wooden surface in a well lit area
Pruning is done to maintain the crop’s size and shape.

Treat garlic chives as a cut and come again herb; the more you cut, the more it grows back.  Top the garlic chives leaves back to a couple of inches above the ground to keep it tidy and to stimulate fresh growth.

If you don’t want garlic chive seedlings popping up around the garden, prune the flower stems to ground level when the seed heads begin to ripen. Clear away any dead foliage as it dies back in winter. 

Propagation

An isolated shot of a pile of black colored seeds of an allium crop
The crops are propagated by seed and by division.

There are two simple ways to propagate garlic chives; sowing seed and division.  

Start garlic chives indoors in autumn or early spring around six to eight weeks before the last frost date. Sow four to five seeds per module half an inch deep in general potting compost.  Seeds can also be broadcast into a seed tray. Garlic chives seeds don’t require light to germinate, but they do need heat between 60-70°F (16-21°C). 

Place your seed trays somewhere warm to stimulate germination; this can take one to three weeks. Once germinated, move seedlings to a bright location. When they are a few inches tall and all risk of frost has passed, set them outside in small bunches, spaced 12 inches apart.

After three years garlic chive bulbs may become congested and lose their vigor so division is the best action to take to produce healthy crops. There are two ways to do this. Offsets of flowering chives growing from the main clump of bulbs can be gently teased out and potted on. Or, carefully dig around the entire onion and pull apart bunches of four to five bulbs to form new plantlets.

Harvesting

An isolated shot of freshly harvested alliums
The crops can be harvested around 8 weeks after sowing.

Now for the best bit, harvesting and storing this culinary prize! Garlic chives are popular as produce throughout Asia and often used in recipes. Their flavor enhances stir fry dishes, other vegetables and more.

Wild garlic chives are ready to harvest around eight weeks after sowing and four weeks after planting out or when new growth is produced in spring. Fresh garlic chives have the best flavor when they are young; older greens tend to be tough. When harvesting, cut leaves back to one to two inches from the base.

Garlic scapes are the delicious flower stems and are at their best before the umbel bud opens. Individual flower buds and whole flowers are also edible and can be harvested as and when needed. To harvest flowers and scapes cut the stems back to ground level.

Storage

An overhead shot of a freshly harvesed crop being cut on a chopping board in a well lit area
The crops can be stored fresh, frozen, or used immediately.

Chopped garlic chives will store in the fridge for a week wrapped in moist kitchen paper or plastic bag, or longer if stored in ice cube trays in the freezer. You can always throw a cube into stir fries as needed. Fresh garlic chives lose their flavor with drying. 

Throw them in a soup, stir fry, bake them into savory breads, egg dishes, or mix them into soft cheeses and sour cream. If none of these tickle your fancy, try infusing them in herbal vinegars, or marinating grilled meat with them. They are pungent when eaten raw, and more powerful than regular chives.

Common Problems

Garlic chives are mostly trouble-free, but just in case, here are a few things you might want to look out for. Keep an eye on these so you can have this fragrant chive in your scrambled eggs daily!

Growing Problems

A shot of white flowers and green leaves of allium crops
Most growing issues stem from a lack of watering and nutrient deficiencies.

Like most plants, garlic chives do not like to compete with weeds for water and nutrients so keep the growing area weed-free. Give them proper nutrition with fertile soil.

Garlic chives also become less productive as they mature, so make sure you divide those clumps to rejuvenate them.

Pests

A small thrip with a slender, elongated body glistening in shades of brown crawls across the leaf's surface.
Thrips and the allium leaf miner are pests that infest the plant, they can be treated with neem oil.

Onion flies are not put off by the strong scent of garlic chives. They lay eggs at the base, and the hatching maggots feast on the bulbs. Cover crops with insect mesh to protect them from adult flies, and apply predatory soil nematodes to deal with the maggots.

Thrips are another insect undeterred by the garlic scent. These sap-sucking insects make chives unsightly and inedible. Spray with neem oil or insecticidal soap to keep numbers down.

Allium leaf miner larvae bore through the leaf membrane leaving visible translucent trials and destroy roots and bulbs of leeks, garlic, and chives, often resulting in the death of the whole chive. The best line of defense is to cover crops with insect-proof mesh and apply good crop rotation to avoid reinfestation from overwintering pupae. 

Diseases

A shot of an allium crop affected with Onion white rot
The plant is susceptible to onion white rot and downy mildew.

Onion white rot, botanically known as Stromatinia cepivora, is a fungal disease stimulated by compounds emitted by onions and transmitted in contaminated soil. It is identified by yellow, wilting leaves and rotting roots and bulbs covered in white fluffy fungus and a black seed-like growth. Once you have it, it’s almost impossible to eradicate, and in this case, prevention is better than cure. Do not grow any related crops in previously contaminated sites and apply good crop rotation.

Downy mildew is a fungal disease that mainly affects foliage causing it to yellow and wilt.  Spray with neem oil on first sight of infection.

Frequently Asked Questions

Are chives and garlic chives the same thing?

Chives and garlic chives look similar but are different species. Onion chives are called Allium schoenoprasum and taste like onion, while garlic chives are called Allium tuberosum and have a garlicky flavor.

Are garlic chives perennial?

Garlic chives are perennial and grow back every year.

What are garlic chives for?

So many things! They are great in breads, cheeses, and dips, and taste lovely when stir-fried, and cooked into soups and noodle dishes. This is just the tip of the iceberg, too.

Can garlic chives be eaten raw?

They can, but they have a much better flavor when cooked. They also aren’t as intense on the human digestive tract this way.

Do garlic chives grow back every year?

Either by seed or by root, they do return each year.

Are garlic chives invasive?

In certain contexts they can be. Therefore, keep an eye on them, ensuring they don’t overtake your garden or your neighbor’s.

How long do garlic chives last?

Anywhere from one to two weeks in the freezer or refrigerator.

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