Shishito Pepper in Zone 10B — Florida

Shishito peppers are a fantastic addition to your Florida garden. Their mild, slightly sweet flavor (with the occasional spicy surprise!) makes them incredibly versatile in the kitchen. Plus, you'll get the satisfaction of harvesting these peppers right when you want them, a welcome change during our summer slow season.

While Florida's intense humidity and sandy soil can present challenges, growing Shishitos is manageable with the right timing. By following the reversed Florida gardening calendar, you can enjoy a bountiful harvest during our more favorable fall-through-spring growing season, taking advantage of our 360-day growing season.

Starting Shishito pepper seeds indoors is the best way to get a jump start on the season here in Florida. Begin sowing seeds from mid-November through early December, about eight weeks before you plan to transplant them outdoors. Remember, our spring character is reversed!

Use seed trays or small pots filled with a well-draining seed-starting mix. Keep the soil consistently moist, and consider bottom watering to prevent damping off in our humid climate. Provide warmth and plenty of light – a sunny windowsill or grow lights work well.

Transplant your Shishito pepper seedlings outdoors from mid-January through mid-February. Before transplanting, harden off your seedlings by gradually exposing them to outdoor conditions for about a week. This helps them adjust to the Florida sunshine and humidity.

Choose a sunny spot in your garden and space the plants 18-24 inches apart. Be mindful of any late cold snaps that sometimes come through in January and February. If a freeze is predicted, cover your young plants to protect them.

Shishito peppers need consistent moisture, but be careful not to overwater them, especially with our high humidity here in Florida. During the cooler months of fall and winter, when rainfall is less frequent, aim to provide about 1 inch of water per week. You might need to water more often if we have a dry spell.

Use the finger test to check the soil moisture – stick your finger about 2 inches deep; if it feels dry, it's time to water. In the summer, when the heat and humidity are at their peak, monitor your plants closely. Even though we get more rain, the intense heat can still dry out the soil quickly. Water at the base of the plants to avoid wetting the foliage, which can encourage fungal diseases in our humid environment.

Signs of underwatering include wilting leaves and dry soil. Overwatering can lead to yellowing leaves and root rot. Mulching around the base of the plants with pine straw or wood chips will help retain moisture and suppress weeds, a welcome benefit in our sandy soil.

While Shishito peppers are relatively compact, they can become a little floppy when loaded with fruit. Providing support is optional, but it can help keep the plants upright and prevent the peppers from touching the ground.

Simple stakes work well for supporting Shishito peppers. Install the stakes at planting time, placing them a few inches away from the plant. As the plant grows, gently tie the stems to the stake with soft twine or plant ties.

Pruning Shishito peppers is pretty straightforward. Pinch off any early blooms to encourage the plant to focus its energy on vegetative growth, which will lead to a more abundant harvest later.

Throughout the season, harvest peppers frequently. This encourages the plant to continue producing more peppers. As we approach late December and the possibility of a frost, you can remove any remaining flowers to encourage the plant to put its energy into ripening the existing peppers.

You can expect your first Shishito pepper harvest from mid-March through early May, about 60 days after transplanting. Look for peppers that are about 3-4 inches long and bright green.

Harvest the peppers by snipping them off the plant with scissors or pruning shears. Be careful not to damage the plant when harvesting. Frequent harvesting encourages continued production, so check your plants regularly. As we approach late December, keep an eye on the weather forecast. If a frost threatens, harvest any remaining peppers, even if they're not fully ripe. They will ripen indoors.

Here are some common problems you might encounter with Shishito peppers in Florida:

Aphids:

• What it looks like: Clusters of tiny insects (green, black, or white) on stems and leaf undersides. Sticky honeydew residue. Curled or distorted new growth.
• What causes it: Rapid-reproducing sap-sucking insects. Populations explode in our warm weather. Ant colonies may farm them for honeydew.
• How to fix/prevent it: Strong water spray knocks them off. Encourage ladybugs and lacewings (natural predators). Insecticidal soap for heavy infestations. Neem oil works systemically. Avoid excess nitrogen fertilizer (it attracts them).

Occasional Random Hot One:

• What it looks like: Most Shishito peppers are mild, but occasionally you'll get one that's surprisingly spicy.
• What causes it: Genetics and environmental factors can influence the heat level. Stressful conditions like inconsistent watering or temperature fluctuations might increase the chances of a hot pepper.
• How to fix/prevent it: There's not much you can do to prevent the occasional hot pepper, but providing consistent care and avoiding stress to the plant may help.

Sunscald:

• What it looks like: White, papery patches on fruit exposed to direct sun. Affected areas may blister and become susceptible to rot.
• What causes it: Intense, direct sunlight on fruit — usually after leaves are removed or lost to disease, suddenly exposing previously shaded fruit.
• How to fix/prevent it: Don't over-prune foliage. Use shade cloth in extreme heat. Maintain healthy foliage to shade fruit naturally. If fruit is already exposed, drape a small piece of row cover over it.

Florida Specific Challenges: Our hot, humid climate and sandy soil can create unique challenges for growing Shishito peppers. The high humidity can promote fungal diseases, so be sure to provide good air circulation and avoid overhead watering. Nematodes can also be a problem in our sandy soil, so consider using nematode-resistant varieties or amending the soil with organic matter.

Companion planting can be beneficial for Shishito peppers in Florida. Tomatoes make great companions because they share similar growing requirements and can provide some shade during the hottest part of the day. Basil is another good choice, as it repels aphids and other pests.

Carrots and onions are also beneficial companions. Carrots loosen the soil, which can help with drainage in our sandy soil, and onions deter pests like aphids and nematodes. Avoid planting fennel near Shishito peppers, as it inhibits their growth. Also, avoid brassicas (like cabbage and broccoli), as they can attract pests that also affect peppers.