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Growing Grandeur Tomatoes in the Vegetable Garden

To plant Grandeur Hybrid Japanese Tomato seeds, begin indoors about 6 weeks before the last frost date, or 8 weeks before the expected transplant date. It's important to maintain a warm soil temperature of at least 75-80 F for successful germination, as cooler soil temperatures can keep seeds from emerging. Harden off the seedlings carefully before transplanting to ensure they adjust to outdoor conditions. When transplanting in late spring or summer, make sure the soil temperature is above 60 F and choose a warm, sunny location with fertile, well-drained soil. Plant the seedlings so that the soil level is just below the lowest leaves, and provide support for the indeterminate vines with a trellis or cage.

Throughout the growing process of Grandeur Hybrid Japanese Tomatoes, it's important to maintain consistent care to ensure healthy and abundant fruit production! Regular watering is critical, aiming for around 1-2 inches per week, especially during dry periods or when the plants are fruiting heavily. Mulching around the base of the plants can help retain soil moisture, regulate temperature, and suppress weeds. Additionally, providing adequate support, such as stakes, cages, or trellises, will help the indeterminate vines grow upright and prevent sprawling. To promote strong growth and fruit development, fertilize the plants with a fertilizer high in phosphorus and potassium. Be cautious not to over-fertilize, which can lead to excessive foliage growth instead of fruit production. Try companion planting with herbs like basil, marigolds, or garlic, which can help deter pests and attract beneficial insects to the garden. Regularly look for pests and diseases, and address any issues with organic remedies to maintain plant health. Finally, pruning the lower leaves of the plant can improve air circulation and reduce the risk of fungal diseases.

Harvesting Grandeur Tomatoes

Grandeur Hybrid Japanese Tomatoes, being an indeterminate variety, continue to produce fruit throughout the growing season, allowing for continual harvesting. You will know your tomatoes are ready to harvest when they reach full color, which for Grandeur Hybrid Japanese Tomatoes is a vibrant deep-red with green shoulders. The fruits should feel firm yet yield slightly to gentle pressure when ripe. The tomatoes should easily detach from the vine with a gentle twist or tug. Harvesting can be done by carefully grasping the ripe fruit and twisting it gently until it separates from the stem. It's important to harvest tomatoes right when ripe to prevent over-ripening or spoilage and encourage the plant to continue producing more fruit. Regular harvesting also prevents the fruit from becoming overly heavy on the vine, reducing the risk of damage or breakage.

About Grandeur Tomato Garden Seeds

The Grandeur Hybrid Japanese Tomato has its origins in Japan, where it was developed through careful breeding to meet the desires of local growers and consumers. The specific details of its breeding history may vary, but it's likely that breeders aimed to create a uniform tomato with disease resistance and excellent flavor. Over time, this hybrid variety gained popularity not only in Japan but also in other regions all over the world.

This variety is resistant to verticillium, fusarium, stemphylium, and TM1, which makes it well-suited for cultivation in areas where these diseases are prevalent, reducing the need for chemical interventions. Additionally, its ability to produce uniform, firm tomatoes makes it desirable for commercial growers seeking consistency in their crop.

Grandeur Hybrid Japanese Tomatoes offer more than just disease resistance and high yield potential. Their sweet, meaty flavor makes them ideal for a variety of dishes, including fresh eating, slicing for salads or sandwiches, and cooking in soups, sauces, or stir-fries. They average over half a pound each! Their early and vigorous growth, as well as resistance to heat and cracking, makes them reliable tomatoes even in challenging growing conditions.

While Grandeur Hybrid Japanese Tomatoes are well-suited for garden plots, raised beds, and greenhouses, they may also thrive in large containers given their indeterminate growth habit. However, providing adequate support such as stakes or cages is vital to help with their sprawling vines and heavy fruit load. While they may not be suitable for hanging baskets because of their size and growth habit, they can definitely add a touch of elegance and flavor to any container garden with proper care and support.

Tips From Our Gardeners

"Make sure to prune the plants regularly to promote airflow and reduce the risk of disease. Removing lower leaves and side shoots allows for better circulation around the plant and helps prevent fungal infections. Additionally, make sure to provide moisture through mulching and watering at the base of the plant rather than overhead to help maintain healthy foliage and encourage fruit production."

- Chelsea Hafer, True Leaf Market Writer

Other Resources

• Guide to Tomatoes

Grandeur Tomato Seeds Per Package:

• 10 seed Packet
• 1000 seed Packet

Non-GMO Grandeur Tomato seeds are available for Fast Free Shipping on qualifying orders.