Best Planting Times for Sugar Snap Peas in South Carolina

Planting MethodActivityRecommended Dates
Outdoor PlantingIndoor Seed StartingLate February – Early April
Transplant OutdoorsMid March – Early April
Greenhouse PlantingYear-roundAdjust planting based on temperature control in the greenhouse

Planting Conditions

Sugar Snap Peas Planting Conditions

South Carolina’s warm climate is well-suited for sugar snap peas, making them easy to grow with proper planning. Gardeners can enjoy longer planting seasons due to the state’s mild winters and warm summers.


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Starting Sugar Snap Peas Indoors

Seeds

Quality seeds lead to better germination and healthier plants. Starting with high-quality seeds gives your sugar snap peas the best chance to thrive from the very beginning.



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Planting Trays

Planting trays help you organize your seedlings and ensure they have enough space to grow before you transplant them outdoors. This makes the process more efficient and increases the chances of strong, healthy plants.
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Grow Lights

Grow lights are essential if you don’t have enough natural sunlight. They provide your seedlings with the light they need to grow strong and healthy, even in less-than-ideal conditions.
Grow Lights Image
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Seed Starting Soil

Using light, fine soil specifically designed for seed starting helps young roots establish quickly and promotes healthy growth. It’s an easy way to give your seedlings the best start possible.
Seed Starting Soil Image
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Greenhouse Growing

In South Carolina, a greenhouse can regulate temperatures to protect sugar snap peas during unexpected cold snaps or high heat. This controlled environment can enhance production and extend the growing season, allowing for earlier planting and later harvesting.

Consider investing in a 10×12 FT Greenhouse priced at $1,199 to ensure your sugar snap peas thrive in a controlled environment.
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Greenhouse Image 2
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Fertilizer

For optimal sugar snap pea growth in South Carolina, supplementing with fertilizer can ensure abundant and healthy harvests. Quality fertilizer helps replenish nutrients in the soil and promotes vigorous plant growth.
Fertilizer Image
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Plant sugar snap peas outdoors in South Carolina after the last frost date, ensuring the soil is warm enough for optimal growth.

Average Last Frost Dates for South Carolina’s Major Cities

CityAverage Last Frost Date
ColumbiaApril 1
CharlestonMarch 15
GreenvilleApril 10
FlorenceMarch 25
SpartanburgMarch 30

Disclaimer: Frost dates are average estimates, and actual conditions may vary. It is recommended to monitor local forecasts and adapt planting decisions accordingly.

Other planting guides for South Carolina:

Broccoli Planting in South Carolina

Kale Planting in South Carolina

Pumpkin Planting in South Carolina

Any questions on growing peas? Visit our forum to discuss: Growing Peas.

Starting Sugar Snap Peas Indoors

In South Carolina, begin indoor sugar snap pea seed starting between February 15 and March 15. This timeline ensures healthy seedlings that can be transplanted outdoors starting from late March to early April, which is before the last frost date.

Transplanting Sugar Snap Pea Seedlings

Transplant sugar snap pea seedlings outdoors from March 28 to April 7, ensuring that the soil temperature is consistently above 45°F. Space the seedlings 2-4 inches apart in rows that are 24-36 inches apart for optimal growth.

General Care and Maintenance

Watering

  • Provide consistent watering to keep the soil evenly moist, especially since South Carolina’s warm climate can lead to faster evaporation.
  • Water at the base of the plants to minimize moisture on foliage, which helps prevent diseases.

Fertilizing

  • Apply a balanced fertilizer at planting time and again when flowers start to form. Incorporating compost before planting can improve soil quality and fertility.

Pest and Disease Management

  • Regularly check for pests like aphids, spider mites, and root rot. The humid climate in South Carolina makes pest control essential.
  • Utilize organic or integrated pest management strategies to protect sugar snap pea plants from common pests and diseases.

Harvesting

  • Harvest sugar snap peas when they are fully formed but still tender. Regular harvesting encourages continued production and prevents over-maturation.

Sugar Snap Peas

Sugar Snap Peas are a unique type of pea that can be eaten whole, pod and all. They are sweet, crunchy, and provide a great source of vitamins A, C, and K, along with dietary fiber. Sugar Snap Peas are easy to grow in cool weather, making them perfect for spring planting.


In my garden, I try to compost as much as possible, so I can mix in the nutrient-rich compost in my soil. I use both hot composting of food scraps and cold composting of all organic garden “waste”.
If you don’t have the time or space for composting, it is possible to get compost ready to use in garden centers and Community Composting.
You can read more on Community Composting here: https://www.epa.gov/sustainable-management-food/community-composting

If you are uncertain about the quality of your soil, you can get easy-to-use soil tests at Amazon for 17 dollars. Check latest prices here: Soil testing kit.

Also remember to check out how much sunlight your growing area gets, and that the rain drains well. If you treat your soil well and plan your crops according to your climate you will succeed with any plant you want.

The satisfaction when you harvest your own produce is well worth the time you put in 🙂

BeeJay