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Tips from the St. Supéry Estate Garden

Know your growing zone before planting, this will impact your seeding schedule!!

Click on the map to learn about your growing zone!

USDA Plat Hardiness Map

Featured Seeds

tomatoes my garden

Cherry Tomatoes

Packets contain red or yellow but a host of heirloom varieties exist.

Swiss Chard

Packets typically contain Bright Lights rainbow variety Swiss chard.

Sunflowers

Packets can contain sunflowers, giant variety or pick heirloom varieties.

Cherry Tomatoes

Planting instructions: Start seeds inside about 6-8 weeks before last frost date. Transplant to prepared garden bed or container after danger of frost has past. Tomatoes get bushy and need support from cages or a trellis. Can grow in a large container.

 

Depth: 1/4”  Sun: full  Spacing: 12-24”  Sprout:7-14 days  Temp: 75°F

 

Planting tip: Cherry tomato plants are the first tuype to ripen in summer gardens and one of the last to still produce when frost threatens. When planting, be sure to give plants enough space. They can grow to 6-feet tall with a wide sprawl of branches. Use a tomato cage or trellis firmly anchored in the ground. Plant early in warm regions and be sure to water regularly once your plants have taken off. They need about an inch of water a week to grow. Once harvesting, do so every few days and enjoy!

tomatoes my garden

Swiss Chard

Planting instructions: Direct sow seeds 1/2" deep, 4- 6” in rows 12–18" apart or in containers. For continual harvests, cut 2 inches above the soil line or cut stalks as needed.

 

Depth: 1/2”  Sun: Full Spacing: 4-8”  Sprout: 5-14 days Temp: 41-90°F

 

Planting tip: Swiss chard will tolerate partial shade, but it does best in full sun. Roughly four to six hours of direct sunlight on most days is ideal. Keep the soil evenly moist but not soggy. A layer of mulch around the plants can help to retain soil moisture. While Swiss chard is commonly considered a cooking green, young chard is also very delicious when eaten fresh. To enjoy your harvest, you can chop it up in salad or lightly cook it as a wonderful side dish. Chard also makes a hearty replacement for spinach, and the stems can be grilled or roasted in place of asparagus. 

Sunflowers

Planting Instructions: Direct sow ½” deep when soil temps reach 70 degrees. You can sow until the end of July. 50-60 days until maturity. Succession sow for different bloom times

 

Depth: ½”  Sun: full Spacing: 4-6”  Sprout: 7-14 days  Temp:70-90°F

 

Planting tip: If you’re looking to add some diversity to your garden while still reaping the benefits of sunflowers, consider planting sunflower companion plants. These plants can not only enhance the aesthetics of your garden but also improve the overall health of your sunflowers. Try planting Marigolds, Zinnias, Cosmos and Nasturtiums. By planting sunflower companion plants, you can increase biodiversity and encourage beneficial insects and microorganisms to thrive. Vegetable companion plants include corn, beans, cucumbers and squash. Sunflower Seed Salsa Verde Recipe 

Companion Planting Tips: An Infographic

Veggie Forward Recipes from The Estate Kitchen

Garden Updates from the St. Supéry Estate Blog

ST. SUPÉRY ESTATE VINEYARDS & WINERY

8440 St. Helena Highway
PO Box 38
Rutherford, CA 94573
(707) 963-4507

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