Top 5 Perennials for Eastern Ontario
1. Hostas (Hosta spp.)
Foliage stars for shady spots — available in greens, blues, and variegated forms. They define shady borders beautifully.
Care: Partial to full shade; consistent moisture.
Hardiness: Zones 3–9
2. Daylilies (Hemerocallis spp.)
Classic summer bloomers in a rainbow of colors that flourish with minimal fuss. Tough and adaptable to many soils, they’re almost impossible to kill once established.
Care: Full sun to part shade; remove spent blooms to tidy.
Hardiness: Zones 3–9
3. Black-Eyed Susan (Rudbeckia spp.)
Bright golden blooms from mid-summer into fall attract butterflies and bees and are exceptionally easy to grow.
Care: Full sun; deadhead for longer bloom.
Hardiness: Zones 3–9
4. Coral Bells (Heuchera spp.)
Striking foliage in rich colors (burgundy, lime, silver) with delicate spring flowers. Great for edging or shade gardens.
Care: Part shade; moist, well-drained soil.
Hardiness: Zones 4–9
5. Astilbe
Feathery plumes in shades of pink, red, and white; thrives in part shade and moist soils — ideal for shady spots needing texture.
Care: Partial shade; keep soil evenly moist.
Hardiness: Zones 4–9