Chives in Zone 5A — Midwest

Chives are a fantastic addition to any Midwest garden. Their mild onion flavor elevates everything from scrambled eggs to baked potatoes, and they're incredibly easy to grow in our fertile soil. Plus, the purple flowers are a treat for pollinators.

We all know Midwest weather can be unpredictable, especially in spring, and summer heat spells can be intense. But with a little attention to timing, chives thrive in our 157-day growing season, providing fresh flavor from late June well into fall.

Starting chives indoors is an option, but honestly, it's often easier to direct sow or buy starts from your local garden center. If you want to get a jump start, begin in mid-February through early March, about eight weeks before you plan to transplant outdoors.

Use seed trays or small pots filled with a good seed-starting mix. Keep the soil consistently moist – bottom watering is a great way to do this – and provide plenty of light, either from a sunny window or grow lights. Given our moderate-to-late springs, starting indoors gives you a head start, but it's not essential for success.

Transplant your chives seedlings outdoors from mid-April through mid-May, once the threat of hard frost has passed. Before transplanting, harden them off by gradually exposing them to outdoor conditions for about a week.

Space the plants 8-12 inches apart in a sunny or partially shaded spot with well-drained soil. Keep an eye on the weather – late frost is always a possibility here in the Midwest. Honestly, buying established plants or dividing existing clumps is much faster and easier than starting from seed.

Direct sowing chives is definitely doable here in the Midwest. Sow seeds directly into the garden from early April through early July.

Prepare the soil by loosening it and removing any weeds. Chives prefer soil temperatures between 60-70°F for optimal germination. Space seeds 8-12 inches apart. Keep the soil consistently moist until the seedlings emerge. Be patient – chives are slow to establish from seed, so divisions or starts are a faster route to fresh chives.

Chives need consistent moisture, but they're not big drinkers. In the Midwest's moderate-to-humid climate, overwatering is more of a concern than underwatering.

During the spring and fall, when temperatures are cooler and rainfall is more frequent, you might only need to water once a week, if at all. The best way to check is the "finger test": stick your finger about two inches into the soil. If it feels dry, it's time to water. During our summer heat spells, aim for about one inch of water per week, either from rain or irrigation.

Water at the base of the plants to avoid wetting the foliage, which can encourage fungal diseases in our humid conditions. Signs of underwatering include wilting or yellowing leaves, while overwatering can lead to root rot. Applying a thin layer of mulch around the base of the plants helps retain moisture and suppress weeds, which is always a win in the Midwest garden.

You can expect your first chives harvest in late June through mid-October, about 80 days after planting. The leaves are ready to harvest when they are at least 6 inches tall.

Use scissors or garden shears to cut the leaves about 1-2 inches above the base of the plant. This encourages new growth. Harvest regularly to keep the plant producing fresh leaves throughout the season.

As the first frost approaches in early October, don't worry! Chives are hardy and will go dormant over the winter. You can either cut them back to the ground or leave the foliage in place for winter interest. Divide clumps every 3 years to maintain vigor.

Here in the Midwest, chives can run into a few problems, but nothing that can't be managed. The top three issues are onion fly, rust, and bulb rot in wet soil.

Onion Fly

• What it looks like: Wilting or stunted growth, especially in young plants. You might find small, white maggots near the base of the plant or in the bulbs.
• What causes it: Onion flies lay their eggs near the base of onion-family plants. The maggots hatch and feed on the roots and bulbs.
• How to fix/prevent it: Use row covers to prevent the flies from laying eggs. Remove and destroy any infested plants.

Rust

• What it looks like: Rusty orange, yellow, or brown pustules on leaves and stems, mostly on undersides. Leaves yellow and drop prematurely.
• What causes it: Various rust fungi that spread via wind-borne spores. Favored by warm, humid conditions with moisture on leaves.
• How to fix/prevent it: Remove affected leaves. Avoid overhead watering. Improve air circulation. Apply sulfur or copper fungicide. Don't work among wet plants. Rotate crops.

Bulb Rot in Wet Soil

• What it looks like: Yellowing or wilting leaves, mushy bulbs, and a foul odor.
• What causes it: Overwatering or poorly draining soil, especially during our wet summers, creates conditions that favor fungal and bacterial growth.
• How to fix/prevent it: Ensure good drainage. Amend heavy clay soil with compost or other organic matter. Avoid overwatering.

Midwest Specific Challenges: Our moderate-to-hot heat combined with moderate-to-humid humidity and wet-summer rainfall creates a perfect environment for fungal diseases like rust and bulb rot. Proper watering practices and good air circulation are key to keeping your chives healthy in the Midwest.

Chives are great companions for several plants in the Midwest garden. Plant them near carrots to deter carrot rust flies. They also benefit tomatoes by repelling aphids and other pests. Roses and grapes also enjoy chives as neighbors, as they help deter black spot and Japanese beetles, respectively.

Avoid planting chives near beans and peas, as they can inhibit their growth. It's all about finding the right balance in your garden!