Gardening Tips September: Harvesting & Planting.

Gardening tips for September include dividing and moving perennials, planting spring blooming bulbs, collecting flower seeds, amending the soil, deadheading roses, planting fall blooms, planting trees and shrubs, clearing out the garden, and dumping the compost. Other tasks to consider for September gardening include pruning blackberries and raspberries, harvesting basil before the cold weather, and starting to save seeds.

It is also a great time to plant fall flowers like mums and asters, as well as perennials and shrubs. Additionally, September is a good time to plant vegetables such as beets, broccoli, Brussels sprouts, carrots, cauliflower, kale, lettuce, onions, peas, radishes, spinach, and turnips.

When planting trees, consider the amount of sunlight the location receives and whether shade is needed.

Gardening Tips September: Harvesting & Planting.


Best Gardening Tips For September

September is the perfect time to tend to your garden and prepare for the upcoming fall season. From dividing and moving perennials to planting fall blooms, there are several essential tasks to ensure a vibrant and healthy garden. Here are some of the best gardening tips to follow this September.

Divide And Move Perennials

Dividing and moving perennials during September helps to rejuvenate plants and enhance their growth. Use a sharp spade to carefully dig up clumps of perennials, making sure to retain healthy roots and shoots. Replant them in well-prepared soil with proper spacing to allow for optimal growth.

Collect Flower Seeds

Collecting flower seeds is a cost-effective way to propagate your favorite blooms for the following year. As your flowers begin to dry out, carefully gather the seeds from the flower heads and store them in a cool, dry place for later sowing.

Plant Fall Blooms

Planting fall blooms such as mums and asters can add vibrant colors to your garden during the autumn months. Choose varieties that are suitable for your climate and ensure they receive adequate sunlight and well-drained soil for optimal growth.

Clear Out The Garden

Clearing out the garden of any spent plants and debris is crucial to prevent disease and pests from overwintering. Remove any dead plants, weeds, and fallen leaves to maintain a tidy and healthy garden environment.

Planting Trees And Shrubs

Planting trees and shrubs during September provides them with ample time to establish their roots before the onset of winter. Choose suitable species for your area and ensure they are properly watered and mulched to promote healthy growth.

Gardening Tips September: Harvesting & Planting.


What To Plant In September

September is the perfect time to start planting a variety of vegetables and greens in your garden. As the weather cools down and summer transitions into fall, there are several crops that thrive during this time. Here are some gardening tips for September, focusing on what to plant:


Beets are a great addition to any garden, and September is the ideal time to plant them. They are a cool-season crop that thrives in the autumn weather. Beets are loaded with nutrients and have a delicious earthy flavor. Whether you prefer them roasted, pickled, or in salads, beets are a versatile vegetable that is easy to grow.


Broccoli is another vegetable that thrives in cooler temperatures, making it a perfect choice for September planting. Packed with vitamins and minerals, broccoli is not only delicious but also incredibly nutritious. Whether you want to enjoy it steamed, roasted, or in stir-fries, growing your own broccoli ensures a fresh and flavorful harvest.


Carrots are a staple in many households, and September is an excellent time to plant them. These root vegetables are known for their vibrant color and sweet flavor. With a variety of carrot cultivars available, you can choose from traditional orange carrots or experiment with purple, yellow, or white varieties. Planting carrots in September allows them to mature during the cooler months, resulting in sweeter and tastier roots.

Leaf Lettuce

Leaf lettuce is a quick-growing and low-maintenance green that is perfect for September planting. With its fresh and crisp texture, leaf lettuce is a versatile addition to salads and sandwiches. By planting different varieties, you can enjoy a continuous harvest throughout the fall season. Leaf lettuce thrives in cooler temperatures and can tolerate light frosts, making it a great choice for autumn gardening.

Mustard Greens

Mustard greens are a nutritious and flavorful leafy green that is well-suited for planting in September. These greens have a tangy and slightly spicy taste, making them a great addition to salads, stir-fries, and soups. Mustard greens are fast-growing, and you can start harvesting the tender leaves within a few weeks of planting. September planting ensures a bountiful supply of fresh mustard greens to enjoy throughout the fall.

Vegetables And Flowers For September Planting

September is a fantastic time to get your hands dirty in the garden and start planting vegetables and flowers. Whether you’re a seasoned gardener or a beginner, there are plenty of options to choose from. In this post, we’ll explore three categories of plants that are ideal for September planting: second spring planting, fall flowers, and warm-season veggies.

Second Spring Planting

If you’re longing for that fresh produce from earlier in the year, now is your chance to recreate those flavors. In September, you can have a second spring planting and enjoy a variety of veggies. Some popular options include:

  • Beets
  • Broccoli
  • Carrots
  • Cauliflower
  • Celery
  • Fava beans

These crops will thrive in the cooler temperatures of September and provide you with delicious and nutritious harvests.

Fall Flowers

September is also an excellent time to add some vibrant colors to your garden with fall flowers. These flowers will not only brighten up your outdoor space but also attract pollinators. Here are a few options that you can consider planting:

  • Mums
  • Asters
  • Perennials
  • Shrubs

Planting these flowers now will give them enough time to establish their root systems before the colder weather sets in, ensuring a beautiful display next spring.

Warm-season Veggies For September

September is almost like a second spring when it comes to vegetable gardening. You can plant warm-season veggies that will thrive in the mild temperatures of early fall. Some popular options for September planting include:

  • Summer squash
  • Winter squash
  • Cucumber
  • Tomato
  • Pepper
  • Bush snap beans

These veggies will grow well in September and provide a fresh and healthy addition to your meals.

In conclusion, September is an exciting time for gardeners as they have the opportunity to plant a variety of vegetables and flowers. From recreating the flavors of spring to adding vibrant colors to your garden, there are plenty of options for September planting. So grab your gardening tools and get started to enjoy a bountiful harvest and a beautiful garden!

Ideal Flowers For Planting In September

Ideal Flowers for Planting in September

When September arrives, it’s time to think about bringing some gorgeous color to your garden. Planting certain flowers during this month can ensure a vibrant and thriving garden come spring. Let’s explore the ideal options for September planting:

Mums And Asters

Mums and asters are stellar choices for September. These vibrant-hued flowers can revitalize the garden and prepare it for the upcoming seasons. They bloom profusely, bringing life and color to your outdoor space.

Establishing Perennials And Shrubs

When it comes to perennials and shrubs, September is an ideal time for planting. The weather is still accommodating, and these plants have the opportunity to establish their root systems before the winter sets in, ensuring a strong start for the following year.

Root System Establishment

Root system establishment is crucial for the survival and growth of the plants. By planting in September, the roots have the chance to grow and establish themselves before the colder months, ensuring the plants are well-equipped to withstand the changing weather.

Monthly Gardening Chores

As September rolls in, it’s time to focus on your monthly gardening chores to ensure a vibrant and healthy garden. From pruning to pest control, these tasks are essential for the well-being of your plants.

Pruning Dead Or Diseased Wood

Pruning dead or diseased wood is crucial to maintain the overall health of your plants. Remove any damaged or infested branches to prevent the spread of disease and promote new growth.

Weeding And Pest Control

Weeding and pest control are key tasks to keep your garden pest-free and thriving. Regular weeding prevents unwanted plants from competing for nutrients, while effective pest control methods help protect your plants from harmful insects.

Selecting Trees And Shrubs Locations

Properly selecting trees and shrubs locations is vital for their growth and survival. Consider factors such as sunlight, soil quality, and space requirements when choosing the ideal spots for planting.

  • Divide and move perennials
  • Plant spring blooming bulbs
  • Collect flower seeds
  1. Amend the soil
  2. Deadhead roses
  3. Plant fall blooms

Monthly Gardening Tasks In September:

Task Details
Planting Beets, broccoli, cauliflower, kale, lettuce, peas, radishes, spinach, etc.
Pruning Cut back dead canes and prune tall blackberry primocanes.
Harvesting Collect seeds, herbs, and vegetables before the cold weather arrives.

September is not too late to plant a garden as it is a great time to sow fall flowers for early spring blooms. Additionally, consider adding mums, asters, perennials, and shrubs to enhance your garden’s beauty.

Gardening Tips September: Harvesting & Planting.



As September approaches, it’s time to prepare your garden for the upcoming season. By following these gardening tips, you can ensure a beautiful and thriving garden. Remember to divide and move perennials, plant spring blooming bulbs, and collect flower seeds.

With a little effort, you can enjoy a stunning fall garden!

Nazmul's, residing in Fresno, CA, is the founder of Best Gardener. A content creator and avid gardening lover, he cultivates a Organically haven where greenery thrives, knowledge blooms, and gardening enthusiasts unite.

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