Arugula is also known as rocket. It’s a leafy green full of nutrients like vitamins A, C, and K, as well as calcium and iron. This peppery green is popular in the kitchen and used in salads, sandwiches, and pasta dishes.
Best Planting Times
| Planting Method | Activity | Recommended Dates |
|---|---|---|
| Outdoor Planting | Direct Sowing | April 1 – June 1 |
| Succession Planting | Every 2-3 weeks until September 1 | |
| Greenhouse Planting | Year-round | Adjust planting based on temperature control in the greenhouse |
Planting Conditions
The cool climate provides a suitable environment for arugula, allowing for optimal growth. Understanding the specific requirements related to soil temperature and moisture is vital for successful cultivation in the region.
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Useful Tools for Starting Arugula Indoors
Using the right tools can save you time and increase your success rate.
Seeds
Quality seeds lead to better germination and healthier plants. Starting with high-quality seeds gives your arugula the best chance to thrive from the very beginning.
For perennial plants, look for the wild rocket types. This variety is a bit more spicy but will come back year after year.
The most commonly used type is the Astro variant.
Astro is a vigorous, all-season, cut and come again variety with long, silky leaves and a nutty flavor.
You can find Astro Arugula Seeds on Amazon here: https://amzn.to/4gTTIgT
Planting Trays
Planting trays help you organize your seedlings and make sure they have enough space to grow before you transplant them outdoors. This makes the process more efficient and increases the chances of strong, healthy plants.
Find Planting Trays on Amazon
Grow Lights
Grow lights are essential if you don’t have enough natural sunlight. They provide your seedlings with the light they need to grow strong and healthy, even in less-than-ideal conditions.
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Seed Starting Soil
Using light, fine soil specifically designed for seed starting helps young roots establish quickly and promotes healthy growth. It’s an easy way to give your seedlings the best start possible.
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Average First Frost Dates for Major Cities in Minnesota
Plant arugula outdoors approximately 2-4 weeks before the expected first frost date in late autumn to ensure optimal growth and flavor.
| City | Average First Frost Date |
|---|---|
| Minneapolis | October 15 |
| St. Paul | October 10 |
| Duluth | September 25 |
| Rochester | October 5 |
| Bloomington | October 12 |
Disclaimer: Frost dates are average estimates, and actual conditions may vary. It is recommended to monitor local forecasts and adapt planting decisions accordingly.
Greenhouse Growing
In colder regions, using a greenhouse can effectively protect arugula from extreme cold and frost. This controlled environment allows for improved temperature management and can enhance growth during the cooler months. Furthermore, greenhouses help extend the growing season significantly, enabling gardeners to enjoy fresh greens for longer periods.
This 10×12 FT Greenhouse from HOWE can be found at Amazon for $999.00 right now.
Check the latest price on Amazon.
Fertilizer
For optimal growth, supplementing with fertilizer can ensure abundant and healthy harvests. Quality fertilizer helps replenish nutrients in the soil and promotes vigorous plant growth.
Check out Fertilizer on Amazon
Other planting guides for Minnesota:
Broccoli Planting in Minnesota
Any questions on growing arugula? Visit our forum to discuss: Growing Arugula.
General Care and Maintenance
Watering
- Water arugula consistently to keep the soil evenly moist, especially important in dry spells.
- Water at the base of the plants to minimize leaf wetness, helping to reduce fungal diseases.
Fertilizing
- Apply a balanced fertilizer at planting and again when the first true leaves appear. Incorporating compost can enhance soil fertility and structure.
Pest and Disease Management
- Regularly monitor for common pests such as aphids and flea beetles. Vigilant pest management is essential, especially in warmer periods.
- Use organic or integrated pest management methods to protect arugula plants from pests and diseases.
I'm passionate about cultivating greens in all forms: from kitchen garden to fruit and berry trees. I am also enthusiastic
about creating high-quality soil by utilizing household compost. View Author page
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