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What’s in Bloom

What’s Blooming in the Gardens

Plants of interest are ever-changing in RBG’s cultivated garden areas, Arboretum, and nature sanctuaries. Check back to learn what’s blooming now or see the blooms calendar for a rough estimation of what to expect each season.

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Bloom Watch

Check back for bloom updates from our key collections!

Flowering Cherry Collection

Current status: Last chance! Cool temperatures have helped the cherry collection last beautifully, but this fleeting display is nearing the end of its bloom. 'Akebono' and some of the later varieties are expected to hold well through the weekend, weather permitting.

Flowering cherry tree collection past peak bloom, some petals on the grass below the trees, still looking beautiful and serene
Photo: April 30, 2026
Close up of Akebono cherry past peak bloom but still beautiful
Photo: April 30, 2026

Magnolia Collection

Current status: Star magnolias are now at peak bloom, with some of the earliest flowers beginning to fade. Saucer magnolias are still mostly in bud, holding off for warmer days to open. In the sunniest spots, a few early blooms are starting to open.

star magnolias a peak bloom
Photo: April 30, 2026
some saucer magnolia buds starting to open, while the majority of buds are still not yet ready
Photo: April 30, 2026

Lilac Collection

Current status: Not yet in bloom. The first florets on the earliest variety, ‘Turgot’, are just a few days away from opening.

'Turgot' lilac in bud form
Photo: April 28, 2026

Redbud Collection

Current status: Not yet in bloom.

Blooms by Month

Learn what may be blooming during the month of your visit!

What’s in Bloom? May at RBG

What Blooms in May? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? April at RBG

What Blooms in April? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? March at RBG

What Blooms in March? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? February at RBG

What Blooms in February? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? January at RBG

What Blooms in January? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? December at RBG

What Blooms in December? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? November at RBG

What Blooms in November? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? October at RBG

What Blooms in October? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? September at RBG

What Blooms in September? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? August at RBG

What Blooms in August? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? July at RBG

What Blooms in July? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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What’s in Bloom? June at RBG

What Blooms in June? Note: this is a general guide of what typically blooms this month at RBG. Bloom periods may vary by up to ...

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Signature Horticultural Collections

With tens of thousands of plants in our cultivated garden areas and arboretum, there is always something interesting growing at RBG.

Flowering Cherry

Peak interest: late April or early May

Flowering cherry (saukra) grace RBG’s gardens with typically white or pink flowered blooms and have an ephemeral grace and beauty shared by no other type of plant. These trees which at peak bloom look like clouds of pink and white are one the most welcome signs that spring has finally sprung!

Where to find them: Major collection bloom in the Arboretum. Trees also found at Rock Garden and Laking Garden.

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Magnolias

Peak interest: Late April, Early May

Magnolias produce spectacular flowers in a range of colours, from white and cream to pale to deep pink, purple, rose and less commonly soft yellows. Featuring large, delicate petals on towering trees, don’t miss this ephemeral collection each spring.

Where to find them: trees can be found in all garden areas, with the largest collection at the Arboretum

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Lilacs

Peak Interest: late May

Visit one of the largest and most magnificent and diverse lilac collections in the world as The Katie Osborne Lilac Collection reaches peak bloom in the lilac dell at RBG’s Arboretum.

Where to find them: the largest collection located in the Arboretum, though lilacs can also be found in Hendrie Park

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Iris

Peak Interest: Late May and June

Experience a mesmerizing rainbow of colour, with over 1,000 types of iris, including tall bearded, dwarf bearded, Siberian, spuria, and more.

Where to find them: Moving to Hendrie Park

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Roses

Peak Interest: July to August

Enjoy RBG’s rejuvenated rose garden, featuring cold-hardy roses surrounded by beneficial companion plants that bring beautiful colour to this sustainable garden all season long!

Where to find them: Hendrie Park

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Support Horticulture at the Gardens

The care and growth of our horticultural collections are possible thanks to the generous support of RBG Members and donors. With a donation to Growing up Green, you can ensure an active, vibrant and healthy future for the children of today and tomorrow through our horticultural and conservation projects.

Royal Botanical Gardens (RBG) is the largest botanical garden in Canada, a National Historic Site, and registered charitable organization with a mandate to bring together people, plants and nature.