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June is an exciting month for gardeners in Zone 6, as it marks the beginning of the summer growing season. Starting your plants indoors now ensures a healthy start before transplanting them outdoors later in the season. This guide outlines the best vegetables, herbs, and flowers to sow indoors in June to maximize your garden’s productivity.
Why Sow Indoors in June?
Sowing indoors allows you to extend your growing season, protect young plants from unpredictable weather, and give them a strong start. In Zone 6, the last frost typically occurs in late April to early May, but starting plants indoors provides an extra buffer against late cold snaps and ensures your plants are ready to thrive outdoors once the weather warms.
What to Sow Indoors in June
Vegetables
- Tomatoes: Start indeterminate and determinate varieties indoors to transplant later in June or early July.
- Peppers: Bell peppers and hot peppers benefit from indoor sowing now for a longer growing season.
- Eggplants: Sow indoors to give them a head start for a summer harvest.
- Cabbage and Broccoli: Start these cool-season crops indoors for an early fall harvest.
Herbs
- Basil: Sow indoors for transplanting outdoors later in the month.
- Parsley: Start now to have fresh herbs throughout the summer.
- Cilantro: Sow indoors for a continuous supply.
- Thyme and Oregano: Begin indoors to develop strong plants for outdoor planting.
Flowers
- Petunias: Sow indoors for early blooms.
- Marigolds: Start now for vibrant summer color.
- Snapdragons: Sow indoors for early flowering.
- Impatiens: Begin indoors to ensure healthy plants for shaded garden areas.
Tips for Successful Indoor Sowings
Use quality seed-starting soil, keep the containers moist, and place them in a warm, bright location. Maintain consistent temperatures and provide sufficient light, either from a sunny window or grow lights. Harden off seedlings gradually before transplanting outdoors to reduce shock and ensure healthy growth.
Conclusion
June is a pivotal month for indoor sowing in Zone 6. By starting your vegetables, herbs, and flowers indoors now, you set the stage for a productive and beautiful garden throughout the summer. Happy gardening!