How to Design a Summer Landscape in Ontario That Thrives in Heat and Humidity

Summer in Ontario can be a challenging time for landscaping. The heat and humidity can take a toll on even the most robust plants, making it difficult to maintain a healthy and thriving landscape

But with some planning and knowledge, you can make a beautiful summer landscape that does well in Ontario's hot and humid climate.

Summer Landscape in Ontario

Choosing the right plants is the key to a thriving summer landscape in Ontario. Native plants are an excellent choice, as they have evolved to thrive in local conditions. Plants like coneflower, black-eyed Susan, and butterfly weed are perfect for a summer garden in Ontario. 

Drought-tolerant plants like sedums, coreopsis, and lavender are also excellent choices.

Watering Your Summer Landscape in Ontario

In the summer, your plants need more water than usual to survive. The best time to water is early morning or late evening when the sun is not at its peak. 

Avoid watering during the hottest part of the day, as the water will evaporate quickly, and your plants will not receive the necessary moisture. 

A soaker hose or drip irrigation system can also help save water while giving the roots of plants a deep drink.

Mulching and Soil Amendments for Your Ontario Summer Landscape

Mulch is an essential component of a thriving summer landscape in Ontario. A layer of mulch can help retain moisture, suppress weeds, and regulate soil temperatures. Organic materials like compost, shredded leaves, or grass clippings are excellent choices. 

Additionally, amending your soil with organic matter can help improve the soil's structure and nutrient content, which is essential for healthy plant growth.

Designing Shade and Sun Areas in Your Ontario Summer Landscape

You must plan for shade and sun to make a comfortable and valuable outdoor living space. You could plant tall trees or build a pergola to shade seating areas or patios. 

Also, consider using plants with big leaves or textures to make areas with a lot of sun cooler.

Summer Landscape in Ontario

Maintenance and Care for Your Ontario Summer Landscape

Your Ontario summer landscape requires routine maintenance and repairs to remain attractive and healthy. Pruning, deadheading, and fertilizing are crucial tasks that will help your plants thrive. 

Removing spent blooms and dead or diseased branches will help prevent pests and diseases from spreading.


You can make a summer landscape well in Ontario's heat and humidity with the right choice of plants, watering, mulching, soil amendments, and design. With these easy steps, you can make a beautiful, long-lasting landscape that will give you pleasure and beauty all summer.

At Landscaping St Catharines, we have years of experience designing and maintaining summer landscapes in Ontario. Our team of experts can help you create a beautiful and sustainable outdoor living space that thrives in the hot and humid climate. Contact us today for a consultation!

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