When to Plant Tomatoes in Seattle

Tomatoes are a delicious and versatile fruit that can be grown in a variety of climates, including Seattle's mild, wet climate. If you're planning on growing tomatoes in the Seattle area, you may be wondering when the best time to plant them is.

The Best Time to Plant Tomatoes in Seattle

The best time to plant tomatoes in Seattle is in late May or early June, when the risk of frost has passed and the soil has warmed up to at least 60°F. This will give your tomato plants enough time to mature and produce fruit before the cooler weather sets in again in the fall.

It's important to note that Seattle's climate can be unpredictable, so it's always a good idea to keep an eye on the weather forecast and be prepared to protect your plants if the temperatures drop below 50°F.

Choosing the Right Tomato Varieties for Seattle

When choosing tomato varieties to grow in Seattle, it's important to consider the climate, soil type, and available sunlight. Some tomato varieties that do well in Seattle include:

1. Early Girl

Early Girl tomatoes are a favorite among Seattle gardeners because they produce fruit early in the season and are resistant to common tomato diseases.

2. Oregon Spring

Oregon Spring tomatoes are another early-maturing variety that does well in Seattle's mild climate.

3. Sungold

Sungold tomatoes are a cherry tomato variety that is known for its sweet, juicy flavor. They do well in Seattle's cooler temperatures and can be grown in containers or in the ground.

Preparing Your Soil for Tomato Plants

Before planting your tomato plants, it's important to prepare the soil. Seattle's soil is typically rich in organic matter but can be acidic, so it's a good idea to add lime or dolomite to raise the pH to between 6.0 and 6.5.

You should also add compost or well-rotted manure to the soil to improve drainage and provide nutrients for your plants. It's also a good idea to mix in some bone meal or other organic fertilizer to help your plants grow strong and healthy.

Tips for Growing Tomatoes in Seattle

Here are some helpful tips for growing tomatoes in Seattle:

1. Provide Plenty of Sunlight

Tomatoes need at least 6 hours of direct sunlight each day to thrive. Make sure your plants are located in a spot that gets plenty of sun.

2. Water Consistently

Tomatoes need consistent watering to prevent them from becoming stressed and to ensure they produce plenty of fruit. Water your tomato plants deeply once or twice a week, depending on the weather and soil conditions.

3. Mulch Your Plants

Mulching around your tomato plants can help retain moisture in the soil, prevent weeds from growing, and regulate the soil temperature.

4. Prune Your Plants

Pruning your tomato plants can help them produce more fruit and prevent the spread of disease. Remove any suckers that grow between the main stem and the branches and remove any yellow or diseased leaves.

In Conclusion

If you're planning on growing tomatoes in the Seattle area, the best time to plant them is in late May or early June. Make sure to choose the right tomato varieties for the climate and prepare the soil properly. With a little bit of care and attention, you can enjoy fresh, delicious tomatoes all summer long.