Arugula, also known as rocket, is a leafy green packed with essential nutrients including vitamins A, C, and K, as well as calcium and iron. This peppery green is a favorite in many kitchens, ideal for salads, sandwiches, and various pasta dishes.
Best Planting Times
Planting Method | Activity | Recommended Dates |
---|---|---|
Outdoor Planting | Direct Sowing | April 1 – May 15 |
Succession Planting | Every 2-3 weeks from April to June and again in September to October | |
Greenhouse Planting | Year-round | Adjust planting based on temperature control in the greenhouse |
Planting Conditions
The cooler climate offers a great environment for arugula, allowing it to thrive in the spring and fall seasons. Knowing the USDA Hardiness Zones (4 to 7) for this region is key to ensuring optimal growth.
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Useful Tools for Starting Arugula Indoors
Employing the right tools is essential for a successful planting experience.
Seeds
Using quality seeds ensures better germination and stronger plants. High-quality seeds give your arugula the best start.
For perennial options, look for wild rocket types, known for their spiciness and ability to return each year. The Astro variant is popular for its vigorous growth and exceptional flavor.
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Planting Trays
Seeds can be organized and nurtured in planting trays, maximizing their growth potential before transplanting outdoors, which increases the chances of thriving plants.
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Grow Lights
When natural sunlight is insufficient, grow lights can provide the necessary lighting for seedlings to flourish.
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Seed Starting Soil
Using a light, fine seed starting soil promotes quick root establishment and ensures healthy growth from the start.
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Average First Frost Dates for Idaho’s Major Cities
Plan to sow arugula seeds outdoors roughly 2-4 weeks before the expected first frost in mid-autumn for optimal growth and flavor.
City | Average First Frost Date |
---|---|
Boise | October 10 |
Pocatello | October 1 |
Idaho Falls | September 25 |
Coeur d’Alene | October 15 |
Meridian | October 5 |
Disclaimer: Frost dates are average estimates, and actual conditions may vary. It’s wise to monitor local forecasts and adjust planting accordingly.
Greenhouse Growing
In colder climates, utilizing a greenhouse can effectively shield arugula from harsh temperatures. With climate control, you can extend the growing season and ensure consistent soil temperatures suitable for healthy growth. Greenhouses also protect against unpredictable weather changes.
This 10×12 FT Greenhouse from HOWE is available on Amazon for $999.00 right now.
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Fertilizer
Using fertilizer can significantly enhance arugula growth by replenishing the soil and promoting vigorous plant health. Regular fertilization helps maintain topsoil richness and boosts harvest yield.
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Other planting guides for Idaho:
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General Care and Maintenance
Watering
- Consistency in watering keeps soil moisture balanced, especially crucial in drier climates.
- Water at the base of the plants to reduce leaf wetness, lowering the risk of fungal diseases.
Fertilizing
- Apply balanced fertilizer during planting and again when the first true leaves show. Adding compost can enhance overall soil health.
Pest and Disease Management
- Be vigilant for pests like aphids and flea beetles. Regular monitoring is crucial, especially in warmer temperatures.
- Utilize organic methods or integrated pest management to protect your crops from pests and diseases.
Harvesting
- Harvest leaves when they reach 3-6 inches long. Regular cuts promote new growth and can extend your harvest period.
In my experience, planting arugula in both the spring and fall yields the best results. The plants flourish in cool temperatures, making timing essential. If you’re pressed for time, young arugula plants can often be found at local nurseries.
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