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September Gardening Jobs

September marks the beginning of autumn, bringing cooler temperatures and shorter days. It's a time of transition in the garden, where the focus shifts from the vibrant blooms of summer to preparing for the colder months ahead. 

This month is perfect for tidying up, harvesting the last of summer's bounty, and planning for a beautiful spring display. 

Here’s a guide to the essential gardening tasks for September:

1. Harvesting Late Crops
September is a busy time for harvesting the last of summer vegetables and fruits. Continue picking regularly to encourage any remaining fruits to ripen. Harvestable crops this month include:
Vegetables: Tomatoes, peppers, beans, courgettes.
Fruits: Apples, pears, plums.
Make sure to store fruits in a cool, dry place, and consider making jams or preserves with any excess to enjoy them throughout the colder months.

2. Planting Spring Bulbs
Now is the time to plant spring-flowering bulbs such as daffodils, tulips, crocuses, and hyacinths. Plant them at the right depth (usually two to three times the height of the bulb) and in well-draining soil. By planting bulbs now, you'll ensure a beautiful and vibrant display when spring arrives.

3. Divide Perennials
September is an excellent month to divide overcrowded perennials like asters, hostas, and daylilies. Dividing these plants helps rejuvenate them, encourages healthier growth, and increases your plant stock. Make sure to water well after replanting to help them establish before winter.

4. Lawn Care
September is a key month for lawn maintenance. Scarify (rake) the lawn to remove moss and thatch, aerate it to improve drainage, and apply an autumn lawn feed high in potassium to strengthen roots. If your lawn has bare patches, this is also a good time to reseed or lay new turf.

5. Composting
Clear away any spent annuals, fallen leaves, and plant debris to add to your compost heap. September is a great time to turn over compost heaps to aerate them and ensure even decomposition. Make sure to balance green materials (like grass clippings) with brown materials (like dried leaves) for a healthy compost mix.

6. Pest and Disease Control
As summer ends, pests like slugs, snails, and vine weevils can become problematic. Use eco-friendly methods such as beer traps for slugs, or encourage natural predators like birds and hedgehogs to keep pest numbers down. Remove any diseased plant material to prevent diseases from spreading and overwintering in your garden.

7. Sowing for Winter and Next Spring
You can still sow hardy vegetables such as spinach, winter lettuce, and spring onions in September. These crops can provide fresh produce over the winter months. Additionally, consider sowing green manures like clover or mustard to cover bare soil, suppress weeds, and improve soil fertility for next spring.

Our Top Tips for September

Save Seeds for Next Year: As you clear out summer plants, consider saving seeds from your best-performing flowers and vegetables. Choose seeds from healthy, robust plants, and make sure they are fully ripe before collecting. Dry them thoroughly and store them in labelled envelopes in a cool, dry place. Seed saving is a cost-effective way to prepare for next year’s garden and helps preserve plant varieties that thrive in your local conditions. This sustainable practice also ensures a more personal and rewarding gardening experience next season!

Prepare Your Garden for Winter Wildlife: As you tidy up your garden, think about how you can support local wildlife through the colder months. Leave some seed heads on plants like echinacea and sunflowers for birds to feed on, create a leaf pile or log heap as a shelter for hedgehogs, and consider putting up bird feeders. Providing food, water, and shelter can make a big difference for garden wildlife as winter approaches.

By focusing on these essential gardening tasks, you’ll keep your garden looking its best and prepare it for the colder months ahead. 

September is a perfect time to plan and plant for the future, ensuring a healthy, productive garden next spring. Make the most of this transitional month to tidy up, harvest, and lay the groundwork for the seasons to come.
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July is a crucial month for gardeners. Here are some essential tasks you should focus on.
by Harriet Young 18 July 2024
July is a crucial month for gardeners. It is time to start thinking about setting up your garden for autumn as well as ensuring you keep on top of summer maintenance. Here are some essential tasks you should focus on: 1. Plant Autumn Bulbs July is the perfect time to plant autumn-flowering bulbs. These bulbs will add vibrant colours to your garden as summer blooms start to fade. • Nerines: These stunning bulbs are known for their clusters of bright, spider-like flowers that appear in late autumn. They prefer being slightly crowded, so plant them in groups for the best display. • Colchicum (Autumn Crocus): Colchicums bring a burst of color to the garden when many other plants are winding down. Ensure they are planted deep enough, around 4-6 inches, to protect them from late summer heat. • Sternbergia: Known as winter daffodils, Sternbergia bulbs produce bright yellow flowers that can light up a garden in autumn. These bulbs thrive in sunny, well-drained locations. 2. Support Tall Plants and Climbers Summer doesn’t necessarily always mean sunshine! Rainfall and wind can wreak havoc on tall plants and climbers. Ensure they are well-supported to prevent damage. • Tall Perennials: Plants like delphiniums, hollyhocks, and sunflowers can be particularly vulnerable to wind and rain. Use sturdy stakes and ties to support these plants. Place the stakes early in the season and tie the plants loosely to avoid constricting growth. Bamboo canes are an ideal choice for supporting tall perennials. • Climbing Plants: Climbers such as clematis, wisteria, and climbing roses need secure supports to withstand bad weather. Check trellises, arbours, and other supports to make sure they are in good condition. Use soft ties to secure the stems to their supports without damaging them. 3. Keep an Eye Out for Pests Summer gardens can attract a variety of pests that can cause significant damage if not managed promptly. Vigilance and early intervention are key to maintaining a healthy garden. • Common Pests: Look out for pests such as lily beetles, snails, aphids, and vine weevils. Regularly inspect your plants, especially the undersides of leaves, where pests often hide. • Natural Remedies: Encourage beneficial insects like ladybirds and lacewings, which are natural predators of many garden pests. You can also use homemade sprays, such as a mix of water and mild soap, to deter aphids. 4. Watering Proper watering is crucial in July as the summer heat can quickly dry out the soil. Different plants have varying water needs, so it’s important to keep this in mind. • Thirsty Plants: Water plants such as celery, beans, peas, courgettes, pumpkins, and tomatoes regularly. These plants need consistent moisture to produce healthy fruits and vegetables. • Fruit Trees and Bushes: Water fruit trees and bushes deeply. After watering, lay a thick mulch of garden compost around their base to hold in moisture and prevent weeds from competing for water. • Watering Tips: Water early in the morning or late in the evening to minimize evaporation. Use a soaker hose or drip irrigation system to deliver water directly to the root zone, reducing water waste and promoting deep root growth. 5. Deadhead Plants Deadheading is an essential task to keep your garden looking vibrant and to encourage more blooms throughout the summer. • Bedding Plants: Remove spent flowers from bedding plants regularly. This not only keeps the plants looking neat but also prevents them from setting seed, which encourages them to produce more flowers. • Repeat-Flowering Perennials: Deadhead repeat-flowering perennials such as roses and geraniums to stimulate the production of new blooms. Use sharp pruners to make a clean cut just above a healthy leaf or bud. • Containers and Hanging Baskets: Don’t forget to deadhead plants in containers and hanging baskets . By focusing on these tasks in July, you'll not only ensure your garden thrives through the summer but also sets the stage for a beautiful autumn. Happy gardening!
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