Red tomatoes

Best Planting Times for Tomatoes in New York

Planting MethodActivityRecommended Dates
Outdoor PlantingIndoor Seed StartingMarch 15 – April 15
Transplant OutdoorsMay 15 – June 1
Greenhouse PlantingYear-roundAdjust planting based on temperature control in the greenhouse

Planting Conditions

New York has a humid continental climate, with cold winters and warm, humid summers. The state spans USDA Hardiness Zones 3b to 7b, meaning the growing season for tomatoes can vary widely depending on the region.

Sun Requirements

Tomatoes require full sun, needing at least 6-8 hours of direct sunlight daily.

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Useful Tools for Starting Tomatoes Indoors

Using the right tools can save you time and increase your success rate.

Seeds

Quality seeds lead to better germination and healthier plants. Starting with high-quality seeds gives your tomatoes the best chance to thrive from the very beginning.
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Browse Tomato Seeds on Amazon

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.
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Check out Grow Lights on Amazon

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.
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Greenhouse Growing

In New York, where the growing season can be shortened by cooler temperatures, a greenhouse is essential for extending the growing period. It allows you to start your tomato plants earlier in the spring and continue growing them well into the fall. With proper heating, you can protect your plants from frost and grow tomatoes almost year-round.

Currently, the 8x10x7.5 FT Greenhouse is priced at $999. It’s a great investment for ensuring your tomatoes thrive all year round.
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Check the latest price on Amazon.

Fertilizer

Fertilizer is essential to provide your tomato plants with the nutrients they need for strong growth and a successful harvest.
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Other planting guides for New York:

Any questions on growing tomatoes? Visit our forum to discuss: Growing Tomatoes

Starting Tomatoes Indoors

In areas like New York City (Zone 7b), start tomato seeds indoors from March 15 to April 15. This timing ensures that seedlings are ready for outdoor transplanting from mid-May to early June, once the risk of frost has passed.

Transplanting Tomato Seedlings

Transplant seedlings outdoors from May 15 to June 1, when soil temperatures are consistently above 50°F. Space the seedlings 24-36 inches apart in rows at least 36 inches apart to promote good air circulation and adequate sunlight exposure.

General Care and Maintenance

Watering:

  • Water consistently to keep the soil evenly moist. In New York’s climate, regular watering is essential, particularly during dry spells in summer.
  • Water at the base of the plants to prevent wetting the foliage, which helps to reduce the risk of fungal diseases.

Fertilizing:

  • Apply a balanced fertilizer at planting and again when the first fruits begin to set. Adding compost to the soil before planting can enhance soil fertility and structure.

Pest and Disease Management:

  • Monitor for common pests such as aphids, cutworms, and tomato hornworms. The humid climate can also encourage fungal diseases, so it’s important to keep an eye on your plants.
  • Use organic or integrated pest management strategies to keep your plants healthy and productive.

Harvesting Tomatoes:

  • Harvest tomatoes when they are fully colored and firm. Frequent harvesting during New York’s peak summer months helps ensure the best quality fruit and prevents overripening.
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