Garden Tasks by Month | June in Zone 5

Dear Garden Diary,

June is here! Let summer begin!

These days, I spend most of my days outdoors; lazing in the inky blue shade of our old oak tree, cool grass beneath me and blossoming roses all around me. It's heady, it's beautiful... and very hungry. That's right, my garden is hungry! 

This month, I'm doing a lot of watering and feeding to make sure that I keep my hungry little garden happy.

Fresh Pink cherry blossoms and buds on a June calendar

What Tasks/ Chores to do in my Garden in June? 
A Garden Maintenance Checklist for Zone 5


☐ Water garden beds in the morning.

☐ Water container plants and hanging baskets often. Drooping plants and dry soil is a clear indicator plants need watering.

☐ Water lawns once a week.

Lawn Care

☐ Water lawn once a week deeply to encourage strong roots that go deep. Lawns require about 1 to 1.5 inches of water per week. 

  • Set the sprinkler for 1 hour once a week or 30 minutes twice a week.
☐ Mow lawn once a week. See "How to Mow the Lawn- Mowing Tips & Tricks"

☐ Watch for weeds and continue to hand weed regularly.

Rose Care

☐ Fertilize roses (beginning of each month June, July, August, September). See "How and When to Fertilize Roses."

☐ Deadhead repeat flowering roses after they bloom. See "How I Deadhead my New Dawn Climbing Roses"

Watch for Pests

☐  Examine plants for damage by slugs (hostas), scarlet lily beetles (lilies), grasshoppers etc.

☐  Examine plants for powdery white mildew (commonly affects lilacs and peonies after flowering). See Growing a Greener World's tips on "Controlling or Eliminating Powdery Mildew"


☐ Pinch chrysanthemums every few weeks for bushier plants with more blooms.

☐ Pinch phlox and black eyed susans twice, with a 2-3 week gap for shorter, bushier plants with more blooms. Note that pinching will reduce the size of the blooms and delay blooming in mid summer by 2 weeks.


☐ Deadhead annual bloomers regularly like geraniums to keep them flowering through the season.

☐ Deadhead the pods from the azaleas and rhododendrons. See "How to Deadhead"


☐ Trim down yellowing daffodil, tulip and allium leaves. This should be done 6 weeks after they have bloomed.


☐ Remember to stand back and enjoy the fruits of your labour. Walk through the garden daily and savour the pleasures of a stroll just for pure observation.

☐ Cut flowers from the garden and bring them into the house to arrange and enjoy for yourself.

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