When to Plant Daisies in Calgary, AB – 2026
Published: April 27, 2026
Calgary is in Canadian Zone 4a (semi-arid continental). Last spring frost averages May 25; first fall frost September 15; the growing season runs about 112 frost-free days. Plant daisies in Calgary from late may through june 1 (perennials); cool annuals in early to mid-may..
Daisies Planting Window for Calgary, AB
Shasta daisies: transplant in early spring or fall. Annual daisies (Bachelor's Button, Swan River Daisy): direct sow 2–4 weeks before last frost. Oxeye daisy is perennial — plant in spring or fall. Most daisies self-seed freely once established.
For Calgary, AB specifically, the recommended planting window is Late May through June 1 (perennials); cool annuals in early to mid-May.. Calgary is the most challenging major Canadian city for vegetable growing. Choose varieties under 65 days. Cold frames and row covers are essential, not optional. Chinook winds damage young plants in spring; hailstorms are a regular summer risk — have covers ready. The 1,048 metre elevation intensifies UV and accelerates soil drying, so drip irrigation and mulch are critical.
Shasta daisies are reliably hardy to Zone 3 in Canada. Oxeye daisy (the wild meadow type) is hardy to Zone 2 but considered invasive in some Canadian provinces — check before planting.
Best Daisies Varieties for Calgary, AB
For Calgary, AB (Canadian Zone 4a), choose varieties rated for your zone or one zone colder for reliable winter survival. The Canadian-bred or tested varieties below perform well in Alberta conditions.
Tallest Shasta cultivar (90 cm). Strong stems don't flop in summer rain. Excellent across all Canadian zones.
Compact (60 cm) classic Shasta. The standard for Canadian perennial gardens.
Pink, red, or white blooms with yellow centres. Source of natural pyrethrum insecticide. Reliably hardy in Calgary and Saskatoon.
Tender perennial — annual in cold Canadian zones. Use for container plantings only.
Native white daisy-form perennial. Spreads aggressively in moist Canadian gardens. Excellent ground cover for Prairie shaded sites.
How to Plant Daisies in Calgary
Sow method: direct sow or transplant. The steps below adapt the general planting advice for Calgary, AB's climate and timing.
- →Annual daisies: direct sow seeds 2 to 4 weeks before last frost when soil is workable.
- →Perennial daisies: transplant in early spring (after last frost) or fall (6 weeks before first frost).
- →Choose a site with full sun (6+ hours) — daisies in shade get leggy and bloom poorly.
- →Space Shasta daisies 45 cm (18 inches) apart; Oxeye 30 cm (12 inches); Painted 30 cm (12 inches).
- →Water consistently for the first month after transplanting; established daisies tolerate moderate drought.
- →Deadhead spent blooms to extend the flowering period and prevent self-seeding (or skip deadheading to encourage naturalizing).
Frequently Asked Questions about Daisies in Calgary, AB
When can I plant daisies in Calgary?
Plant daisies in Calgary from late may through june 1 (perennials); cool annuals in early to mid-may. based on the city's Canadian Zone 4a. Last spring frost: May 25; first fall frost: September 15; frost-free growing season: 112 days.
What Canadian zone is Calgary?
Calgary is in Canadian Zone 4a (USDA equivalent 3b). The climate is semi-arid continental. Calgary is the most challenging major Canadian city for vegetable growing. Choose varieties under 65 days. Cold frames and row covers are essential, not optional. Chinook winds damage young plants in spring; hailstorms are a regular summer risk — have covers ready. The 1,048 metre elevation intensifies UV and accelerates soil drying, so drip irrigation and mulch are critical.
Are daisies winter-hardy in Calgary?
Shasta daisies are reliably hardy to Zone 3 in Canada. Oxeye daisy (the wild meadow type) is hardy to Zone 2 but considered invasive in some Canadian provinces — check before planting.