Plum tomatoes, also known as processing or paste tomatoes, are a versatile and flavorful variety that is perfect for home gardens. With their unique shape and higher solid content, these tomatoes are ideal for making sauces, pastes, and other processed dishes. They are also great for fresh eating during the off-season when other supermarket tomatoes may not be as ripe or tasty.
Plum tomatoes thrive in full sun exposure and well-draining soil rich in organic matter. They prefer temperatures between 60-85°F (15-29°C) and have moderate water requirements, so keep them consistently moist but not waterlogged. These tomatoes are indeterminate, meaning they will continue to grow and produce fruit throughout the season if kept properly maintained.
Plant plum tomato seeds indoors 6-8 weeks before the last expected spring frost date. Transplant seedlings outside after the danger of frost has passed and when night temperatures remain above 50°F (10°C). Space plants 24-36 inches apart to allow for ample air circulation and prevent disease. Water regularly, mulch heavily to suppress weeds and retain moisture, and feed with compost or organic fertilizer every 3-4 weeks to keep the soil nutrient-rich.
Plum tomato plants are generally healthy and easy to grow, but they can be susceptible to common tomato pests and diseases like nematodes, aphids, and blight. Monitor your plants regularly for signs of infestation or disease and address issues promptly with organic pest control methods or resistant varieties if necessary.
Plum tomatoes are typically ready to harvest 60-80 days after transplanting, depending on the variety. They will be fully ripe when they have reached their deepest color and give slightly when gently squeezed. Use them fresh in sauces, salsas, salads, and more, or preserve their flavor by canning, freezing, or drying for off-season enjoyment.