Snow Peas in Zone 10B — Florida

Snow peas are a fantastic addition to your Florida garden, offering a sweet, crisp flavor that's delicious raw or lightly cooked. Imagine fresh snow peas stir-fried with other veggies you've grown, or tossed into a salad for a burst of sweetness. The satisfaction of harvesting your own snow peas during our mild winters is hard to beat.

Our Florida gardening calendar is different, and while we face challenges like humidity and nematodes, the timing for snow peas allows us to bypass the worst of the heat and humidity. With our extended growing season, you can enjoy a successful crop of snow peas.

You can transplant snow peas outdoors from early December through early January. Start your seeds indoors a few weeks prior if you wish. Be sure to harden off your seedlings by gradually exposing them to outdoor conditions for about a week before transplanting.

Space your transplants 3-4 inches apart. Keep an eye on the weather and protect young transplants from any unexpected cold snaps we sometimes get this time of year.

Direct sowing is the preferred method for snow peas, and it's easy to do here in Florida. Sow your seeds directly into the garden from late November through late October. Snow peas, like garden peas, prefer cooler soil, so this timing takes advantage of our milder temperatures.

Prepare your soil by amending it with compost or other organic matter. Sow seeds 1-2 inches deep and 3-4 inches apart. Keep the soil consistently moist until germination.

Snow peas need consistent moisture, especially when they are flowering and forming pods. Here in Florida, that can be tricky with our unpredictable rainfall. The goal is even moisture, but not soggy soil.

During our drier periods in fall and winter, aim for about 1 inch of water per week, either from rainfall or irrigation. Use the "finger test" – if the soil feels dry about 2 inches down, it's time to water. Water at the base of the plants rather than overhead to minimize fungal diseases, which thrive in our humid climate.

In general, Florida's winter rainfall should be sufficient. If you see leaves yellowing and drooping (but not crisp), you are likely overwatering. If the leaves are wilting and the soil is dry, you are likely underwatering. A layer of mulch will help retain moisture and keep the soil temperature consistent.

Snow peas are vines and need support to grow properly. A simple trellis made of string, netting, or even bamboo stakes works perfectly well.

Install your support system at planting time to avoid disturbing the roots later. As the vines grow, gently train them to climb the trellis, weaving them through the support as needed.

You can expect your first harvest of snow peas from mid to early January, about 55 days after planting. Look for pods that are flat, with just a hint of the pea outlines inside. The pods should be translucent and crisp.

Harvest by gently snapping the pods off the vine. Regular harvesting encourages continued production. As our first frost approaches in late December, harvest any remaining pods, even if they are a little small, as they won't develop much further in the cold.

Here are some common problems you might encounter with snow peas in Florida:

• Powdery Mildew
• What it looks like: White or grayish powdery coating on leaves, stems. Leaves curl, yellow, and die.
• What causes it: Fungi thrive in warm days, cool nights, and moderate humidity. Dry leaf surfaces actually favor it. Our high humidity can make this a problem.
• How to fix/prevent it: Improve air circulation through spacing and pruning. Remove affected leaves. Neem oil or potassium bicarbonate sprays help. Milk spray (1 part milk to 9 parts water) is surprisingly effective. Plant resistant varieties.
• Pea Aphids
• What it looks like: Small, soft-bodied insects clustered on stems and undersides of leaves. Leaves may be distorted and sticky.
• What causes it: Aphids thrive in mild weather. They suck sap from plants, weakening them.
• How to fix/prevent it: Blast aphids off plants with a strong stream of water. Introduce beneficial insects like ladybugs. Insecticidal soap or neem oil can also be used.
• Root Rot
• What it looks like: Stunted growth, yellowing leaves, and wilting plants. Roots are brown and mushy.
• What causes it: Overwatering and poorly drained soil. Fungi thrive in wet conditions. Our heavy summer rains can contribute to this.
• How to fix/prevent it: Ensure good soil drainage. Avoid overwatering. Improve soil aeration by adding organic matter.
• Fusarium Wilt
• What it looks like: Wilting on one side of the plant first, then spreading. Yellow leaves starting on one side. Brown streaks in stem when cut open.
• What causes it: Soil-borne fungus (Fusarium oxysporum). Persists in soil for years. Enters through roots. Warm soil temperatures favor it.
• How to fix/prevent it: No cure once infected – remove and destroy the plant. Plant resistant varieties (look for 'F' on seed labels). Rotate crops on a 4-year cycle. Solarize soil in hot zones. Raise soil pH above 6.5.

Florida Specific Challenges: Our hot, humid climate and sandy soil can exacerbate these problems. Ensure good soil drainage, provide adequate air circulation, and choose disease-resistant varieties whenever possible. Also, be on the lookout for nematodes in our sandy soil.

Companion planting can help your snow peas thrive. Carrots and radishes are good companions because they help break up the soil, making it easier for snow peas to establish their roots. Cucumbers and corn can provide some shade during the warmer parts of the day. Lettuce acts as a ground cover, helping to retain moisture and suppress weeds.

Avoid planting snow peas near onions or garlic, as these can inhibit their growth. Onions and garlic can have antibacterial properties that are great for keeping pests away, but not so great for the soil where you're trying to grow peas.