Anaheim Pepper in Zone 5B — Mid-Atlantic

Anaheim peppers bring a mild, fruity heat that's perfect for stuffing, roasting, or adding a touch of zest to your favorite Mid-Atlantic dishes. They thrive in our four distinct seasons, offering a satisfying harvest from summer well into fall. Imagine the satisfaction of making your own pepper relish with peppers you've grown yourself.

While our humid summers and occasional deer visitors can pose challenges, getting your Anaheim peppers off to a good start indoors gives them a strong advantage. With a growing season of around 178 days, we have plenty of time to bring these peppers to maturity right here in Zone 5B.

Starting your Anaheim pepper seeds indoors in early to late March gives them the head start they need to flourish in our Mid-Atlantic climate. About 8 weeks before you plan to transplant, sow seeds in seed trays filled with a good seed-starting mix. Provide consistent warmth (around 75-80°F) using a heat mat and ensure they get plenty of light with grow lights.

To avoid damping off, water your seedlings from the bottom by placing the seed tray in a shallow dish of water until the soil surface is moist. This encourages strong root growth without overwatering the delicate seedlings. Our moderate spring weather means you have a good window to get these started indoors without rushing.

Transplant your Anaheim pepper seedlings outdoors from early May through early June, once the danger of frost has passed. Before planting, harden them off by gradually exposing them to outdoor conditions for about a week. This helps them adjust to the sunlight and temperature changes.

Choose a sunny spot with well-drained soil and space the plants 18-24 inches apart. Be mindful of late cold snaps that sometimes occur in early May around here, and be ready to cover your plants if necessary.

Anaheim peppers need moderate watering, especially during our humid summers. While they can handle heat, they aren't very drought-tolerant, so consistency is key. Aim for about 1 inch of water per week, either through rainfall or irrigation.

Use the finger test to check soil moisture – if the top 2 inches feel dry, it's time to water. Water at the base of the plants to avoid wetting the foliage, which can encourage fungal diseases in our humid climate. Overwatering can be just as damaging as underwatering, so watch out for yellowing leaves.

A layer of mulch, like straw or shredded leaves, will help retain soil moisture and suppress weeds. This is especially important in our region, where heavy rains can sometimes compact the soil.

While not always necessary, supporting your Anaheim pepper plants can be beneficial, especially when they're loaded with fruit. The upright growth habit, combined with long peppers, can sometimes cause branches to break.

Staking is an easy and effective solution. Insert sturdy stakes near the plants at transplant time, then gently tie the stems to the stakes as they grow. Tomato cages also work well, providing all-around support.

Pinching off the early flowers on your Anaheim pepper plants encourages them to focus their energy on vegetative growth, resulting in stronger, more productive plants later in the season. Do this when the plants are still small, before they start setting fruit.

Otherwise, standard pepper maintenance applies. Remove any yellowing or diseased leaves throughout the season. As our first frost approaches around mid- October, you can prune off any remaining flowers to encourage the existing peppers to ripen.

You can expect your first Anaheim pepper harvest from mid-July through early September, about 75 days after transplanting. Harvest them green at 6-8 inches long for a milder flavor, or wait until they turn red for more heat. The peppers should have thick walls and feel firm to the touch.

Use pruning shears or a sharp knife to cut the peppers from the plant, leaving a small piece of stem attached. Regular harvesting encourages continued production. Even after that first frost, don't despair.

If frost threatens before all your peppers have ripened, you can harvest them and bring them indoors to ripen. Place them in a paper bag with a ripe apple or banana to speed up the process.

Here are some common problems you might encounter with Anaheim peppers in the Mid-Atlantic:

Blossom End Rot

• What it looks like: Sunken, dark brown or black leathery patch on the bottom of the fruit.
• What causes it: Calcium deficiency due to inconsistent watering. The variable rainfall we often see can lead to drought and flood cycles, disrupting calcium uptake.
• How to fix/prevent it: Water consistently, especially during dry spells. Mulch heavily to maintain even soil moisture. Avoid over-fertilizing with nitrogen. Remove affected fruit.

Sunscald

• What it looks like: White, papery patches on fruit exposed to direct sun.
• What causes it: Intense, direct sunlight, especially after leaves are lost due to over-pruning or disease. Our moderate-to-hot summer sun can be intense!
• How to fix/prevent it: Avoid over-pruning foliage. Use shade cloth during the hottest part of the day. If fruit is already exposed, drape a small piece of row cover over it.

Aphids

• What it looks like: Clusters of tiny insects (green, black, or white) on stems and leaf undersides. Sticky honeydew residue.
• What causes it: Rapid-reproducing sap-sucking insects that thrive in warm weather. Our humid summers can create ideal conditions for aphid infestations.
• How to fix/prevent it: Strong water spray to knock them off. Encourage ladybugs and lacewings. Use insecticidal soap or neem oil for heavy infestations.

Mid-Atlantic Specific Challenges: The combination of moderate-to-hot heat and high humidity in our region can create conditions favorable for fungal diseases and pest infestations. Consistent watering and good air circulation are key to keeping your Anaheim peppers healthy.

Good companions for Anaheim peppers include tomatoes, basil, carrots, and onions. Tomatoes provide some shade and support, while basil repels pests. Carrots loosen the soil, and onions deter certain insects.

Avoid planting peppers near fennel and brassicas (like cabbage and broccoli). Fennel inhibits the growth of many plants, and brassicas can attract pests that also target peppers. Planting the right companions can create a healthier and more productive garden right here in the Mid-Atlantic.