When to Plant Tomatoes Out

Tomatoes are some of the most popular vegetables to grow at home, and for good reason. They're delicious, nutritious, and relatively easy to grow. Planting tomatoes outdoor, however, requires some planning and consideration of the climate and growing conditions in your region.

Frost Dates and Temperatures

The first factor to consider when planning to plant tomatoes outside is the frost dates in your area. Tomato plants are highly sensitive to cold temperatures, and planting them too early can result in stunted growth or even death. In general, it's recommended to wait until after the last frost date in your region before planting tomatoes outdoors.

You can typically find your region's average last frost date by searching online or contacting your local extension office. Once you have this date, you can count back several weeks to determine when to start your tomato seeds indoors. This will give the plants enough time to grow before they're ready to transplant outdoors.

Soil Temperature and pH

In addition to frost dates, it's important to consider soil temperature and pH when planting tomatoes outdoors. Tomatoes prefer soil temperatures between 60 and 70 degrees Fahrenheit, so it's wise to wait until the soil has had a chance to warm up before planting. You can use a soil thermometer to determine the temperature of the soil several inches below the surface.

You should also test the pH of your soil before planting tomatoes. Tomatoes prefer a slightly acidic soil with a pH between 6.0 and 6.8. If your soil is too alkaline, you can add sulfur or acidic fertilizers to lower the pH. If it's too acidic, you can add lime or other alkaline amendments to raise the pH.

Weather Conditions

The weather conditions during the planting season can also affect the health and growth of your tomato plants. Ideally, you should choose a day when the skies are cloudy but there is no rain in the forecast. This will help protect your plants from the heat of the sun while also giving them time to acclimate to their new environment.

It's also important to water your tomato plants consistently during the first few weeks after transplanting. Tomatoes need about 1 to 2 inches of water per week, either from rainfall or irrigation. Be careful not to overwater, as this can lead to root rot and other problems.

Conclusion

Planting tomatoes outdoor can be a fun and rewarding activity, but it requires some planning and preparation. By considering the frost dates, soil temperature and pH, and weather conditions, you can help ensure the success of your tomato plants. With a little bit of care and attention, you can enjoy the delicious fruits of your labor all summer long.