With the arrival of September, a transition period begins in the garden and orchard. Although for many it marks the farewell to summer, this month represents a unique opportunity to renew green spaces and take advantage of the mild weather before the cold weather sets in. It's time to plan, sow, transplant, and prepare the ground to enjoy flowers, vegetables, and aromatic plants during the fall and winter. If you're looking to revitalize your garden, experiment with new species, or simply connect with nature, here is a detailed guide on the best ways to renew your garden. Plants to plant in your garden during the month of September and all the essential care to achieve a lush and productive space.
Why is September an ideal month for planting in the garden?
September is a month of mild temperatures, with rains that cool the soil. The soil retains some of the heat accumulated during the summer, which favors rapid germination and establishment of new plants without the heat stress typical of the warmer months.
The advantages of sowing in September include:
- Mild weather: Pleasant temperatures and moderate rainfall help maintain humidity, reducing the need for frequent watering.
- Less presence of pests and insects: The drop in temperatures limits the development of many common summer pests.
- Optimal soil: The soil, still warm, encourages better root growth and facilitates the absorption of nutrients.
- Preparing for autumn and winter: It's the perfect time to plant cold-hardy crops and plan for blooms that will be enjoyed throughout the spring.
Additionally, tending to your garden at this time helps maintain a healthy environment and protects the soil from erosion and nutrient depletion after the summer season.
September Planting Calendar: Recommended Vegetables, Greens, and Flowers
Planning your planting season is essential for achieving good results in your vegetable and garden plots. September, in particular, allows us to plant crops that will bring life to the land in the coming months.
- Vegetables to plant in September:
- Swiss chard, spinach, winter lettuce, lamb's lettuce, escarole
- Onion, leek, garlic, shallot
- Carrot, turnip, radishes, beetroot
- Broccoli, cauliflower, sprouts, cabbage, romanescu
- Peas, early broad beans, turnip greens
- Zucchini (in mild climates)
- Potato (for late harvests)
- Artichoke (in the ground or in a pot, bare root)
- Flowers and ornamental plants:
- Marigold
- Thoughts
- Daffodils
- Lavender
- Poppies
- Chrysanthemums
- Wallflower, cineraria, primroses, buttercups and slipper flowers
- Autumn bulbs: fritillaria, cyclamen, tuberous geranium, winter hydrangea and lupine
- aromatic plants:
- Parsley, cilantro, chives, borage
- Rosemary, mint and sage (ideal for transplanting)
- Arugula (great for salads and easy to grow in a pot)
This range of possibilities covers the needs of those with large plots of land as well as those who grow on terraces or in pots. The key is to adapt the species to your climate and available space.
Essential flowers to plant in September
Flowers planted in September not only beautify the garden in fall and winter, but also set the stage for a colorful spring. Many of these varieties attract pollinators and help maintain a balanced ecosystem.
Marigold
The calendula is characterized by its resistance and prolonged flowering. Its yellow and orange tones provide vitality, and its medicinal properties make it a healthy choice. In addition, it is effective for repel pests, attract pollinators, and its flowers are edible, adding a special touch to salads. To plant it, choose well-draining soil, water regularly, and remove wilted flowers to prevent disease.
Daffodils
Daffodils, with their delicate and elegant appearance, are perfect for planting in September for spectacular spring blooms. They are hardy, tolerate cold well, and help keep pests under control. Plant the bulbs about 15 cm deep, in semi-shade, and with moderate watering.
Lavender
Lavender offers color, fragrance, and multiple uses in the garden. Its purple flowers attract bees and butterflies, helping drive away mosquitoes and can be used in relaxing infusions. Sow the seeds shallowly (2 cm deep), water regularly, and keep the soil aerated and free of stones.
Thoughts
Pansies are edible flowers, ideal for both gardens and pots. They bloom throughout the fall, offering a touch of color even in the coldest months. They prefer sunny locations and require regular, non-waterlogged watering.
Poppies
Poppies are at their most beautiful when spring arrives, but they should be planted in September. They prefer well-drained soil, sun exposure, and moderate watering. They are highly prized for their beauty and ability to attract beneficial wildlife.
Chrysanthemums
Chrysanthemums provide colorful displays of white, yellow, purple, and pink during the fall. They are hardy and require regular watering, full sun, and loose, well-drained soil.
Vegetables, greens, and legumes: what to plant in September according to your climate
The success of planting also depends on the type of climate in your area:
- Mediterranean climate: Carrots, chard, spinach, lettuce, turnip greens, peas, artichokes, and early broad beans are ideal. Sowing directly into the ground ensures optimal growth.
- Continental climate: Plants such as cabbage, broccoli, cauliflower and leek adapt well to lower temperatures and soils rich in organic matter.
- Oceanic climate: Potatoes, chard, leeks, lamb's lettuce, and turnips thrive in moisture and mild temperatures.
September also allows for sowing small potato seeds and taking advantage of the onset of rain to ensure constant moisture.
What to plant in September in pots or urban gardens
You don't need a large garden to enjoy growing in September. Many of the above species adapt perfectly to containers and small urban spaces:
- Canons: Easy to grow, they grow well in indirect light and some shade.
- Arugula: Ideal in small pots, it grows quickly and needs frequent watering but without flooding.
- Parsley and chives: Both can be planted from seed or cuttings. They tolerate partial shade and require moist, fertile soil.
- Mini lettuce and baby spinach: They grow well in containers of at least 5 liters.
The key is to choose plants with shallow roots and take advantage of balconies, terraces, or sunny spots to maximize production.
Aromatic plants to sow in September
September is excellent for starting aromatic herb crops. that will take the spotlight off weeds and add flavor and health to your dishes. Here are some recommended options:
- Parsley: Sow directly or in a pot, always with a moist and slightly shaded substrate.
- Borage: An easy-to-grow, cold-resistant plant. Its flowers are also edible.
- Cilantro: It prefers moderate temperatures and well-drained soil. It germinates quickly and offers continuous harvests.
- Mint, sage and rosemary: They can be transplanted to take advantage of the rain and the drop in temperatures.
Key tasks and care for the vegetable garden and orchard in September
Taking the time to care for and maintain your land before planting is just as important as choosing the right species:
- Prepare the land: Remove weeds and debris from previous crops; aerate the soil by digging it deeply.
- Feed with organic fertilizer: Add compost or well-rotted manure to replenish nutrients depleted during the summer.
- Plan crop rotation: Avoid planting the same species in the same location two consecutive seasons to prevent diseases and pests.
- Moderate irrigation: Take advantage of the natural humidity in September and adjust watering frequency according to rainfall and the specific needs of each plant.
- Protection against the cold: If you live in areas where the first frosts may arrive early, consider installing covers or thermal blankets to protect your most sensitive crops.
- Preventive pest control: Fewer pests means less need for treatments, but check your plants periodically.
As for grass, September is an ideal month for sow new areas, repair bald spots, and fertilize with potassium-rich products to strengthen the tree for the fall and winter. Scarifying is also recommended to improve aeration and water absorption.
Garden Planning and Organization: Tips for Success
It's not just about planting, but about planning and organizing the space efficiently:
- Create a sowing, transplanting, and harvesting calendar tailored to your area.
- Take advantage of this opportunity to plant early-flowering shrubs and trees, as well as fall bulbs, for early blooms the following year.
- Prune trees and shrubs that have finished flowering.
- Reduce the frequency of nighttime watering to prevent the appearance of fungi.
- Collect and dry seeds from mature plants, so you can use them in future seasons.
Taking advantage of September is the best way to anticipate the arrival of cold weather, fill your garden with life, and pave the way for delicious harvests and spectacular blooms in the coming months. Whether in a large plot, in growing trays, or in urban pots, September is synonymous with renewal and growth. Take the time to choose the right species, care for your soil, and incorporate new varieties, and you'll see how your garden bursts with color and vitality when you need it most.