A Gardener’s Monthly Guide: June Gardening To-do List

June is just around the corner, which means the summer season is too! With the upcoming summer solstice—the 21st of June—we will benefit more from the longer days and increased temperature, encouraging our gardens to put on an abundant growth.

This month is a great time for outdoor entertaining and showcases your garden with fresh and growing plants. To help your garden improve for the season, here’s a shortlist of things you can do to keep your garden on top when summer finally arrives.

Gardening in June: Weekly Tips

Week One

If you’re an indoor plant person and you own a bunch of houseplants, it’s always a good idea to give them an outdoor vacation and move them to shaded areas for the summer.

Be sure to pick a shady spot in your garden where they are protected against strong winds. Also, keep in mind that they will need more water during the hot and windy weather, so ensure to keep them hydrated at all times.

Don’t forget to feed your houseplants with a dilute solution of liquid fertiliser every time you water them outdoors. This method will help encourage them to grow and develop more quickly.

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Tip: For succulents and hibiscus, place them to a brighter location.

Week Two

It’s important to keep your lawn fertilised before summertime arrives. If there are no signs of rain for at least one day per week, you may start watering them. Then begin mowing higher from 2 and a half when the weather starts getting warmer to encourage deep rooting, making the grass more resistant to stress.

Plus, you may also start establishing a healthy new lawn this season! Once you’ve pulled out the weeds, prep up your lawn for the summer, especially if they are in poor condition.

Tip: Family Handyman’s step-by-step guide is handy if you want to create a healthy lawn from scratch.

Week Three

If you own a vegetable garden, you can start an early season harvest for fruits and vegetables, including lettuce, radishes, peas, and strawberries during their peak—meaning, when they are already in full-size and have good color.

Take a look at this article: Five Reasons Why You Should Start a Vegetable Patch in Your Garden.

Week Four

Watch for tiny, sap-sucking insects like Aphids on roses and other perennial flowers, including shrubs and trees. To remove any aphid damage to your plants, spray them with a garden hose or apply some insecticidal soap two times.

Week Five

Our outdoor experts recommend gardeners to slow down or stop your rhubarb harvest, a vegetable with reddish stalks and sour taste, in late June or early July so that the plant store more energy to make it through the winter.

Gardening in June: Maintenance

1. Keep the Weeds Under Control


Clearing weeds may be one of the tricky tasks of gardening, but be sure that you’re not overlooking them. If left behind, especially during spring and summertime they may restrict the growth of your plants.

How can you stop the weeds from growing? A piece of cloth made out of polypropylene or polyester or known as the weed barriers is an effective preventive to prevent the spreading of weeds in your garden. Gardeners often use these barriers to keep the soil moist so their plants can grow as well.

Tip: Keeping your garden plants hydrated and fertilised, will fill in bare space, which will give weeds fewer places to grow. Mulches are also a great way to deter them and at the same time, to retain the soil’s moisture.

Here’s how you can identify most common UK weeds hiding in your garden.

2. Trimming and Pruning

There’s still time to catch up on some overlooked annual plants that require pruning, and that is today!

If you don’t want your garden to be filled with dead plants during summertime, prepare for some trimming and pruning to address the perennials you’ve disregard throughout the winter and spring. By doing so, this can encourage new blooms, plants, and flowers in your garden.

As for the spring-blooming trees and shrubs, such as lilac and bridal wreath spirea, keep in mind that they set their flower buds during summer or fall of last year. Pruning them in spring before they get the chance to bloom would only mean you cut off this year’s bloom. 

To help you prune accordingly, you can read this Guide for Successful Shrub Pruning, courtesy of K-State.

3. Edge Garden Bed

Grass can creep into your garden bed unnoticed through the summer months.

By removing the stray grass, your garden bed will look more polished as before. A crisp edge also helps prevent your lawn from crawling into your flower bed. Just like what the experts say, don’t underestimate the power of a clean edge!

Here’s how you can keep your lawns and bed looking neat, courtesy of Fine Gardening.

Gardening in June: What to Plant


Warm-season plants, including tomatoes, peppers, and melons, are ideal to be planted in June. Trees, including shrubs growing in containers, can also be planted anytime during the growing season. Planting them this month, on the other hand, will give them a full season to establish before winter.

Here’s a list of plants and vegetables that you can plant this time of the year:

  • Aubergines
  • Brussel sprouts and cabbages
  • Cauliflowers
  • Celery
  • Chilies and sweet peppers
  • Courgettes, marrows, pumpkins, and other squashes
  • Cucumbers
  • French beans and runner beans
  • Herbs
  • Kale
  • Melons
  • Strawberries
  • Sweet potatoes
  • Tomatoes
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