Oak Summit Nursery
Maximilian Sunflower Seeds
Maximilian Sunflower Seeds
Pack contains: 50+ seeds
Regular price
$5.95 CAD
Regular price
Sale price
$5.95 CAD
Unit price
per
Maximilian Sunflower (Helianthus maximiliani) is a tall prairie perennial with yellow flowers in late summer and fall. It forms strong stands over time and adds height to meadow and naturalized plantings.
The late flowers provide nectar for pollinators, and the mature seed heads feed birds.
Cold Hardiness Zone: 3
Seed Source: Manitoba
Stratification Required: 1 month cold
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Growing details
- Foliage
- Long, narrow grey-green leaves with fine white hairs and mostly toothless margins
- Native status
- Prairie species recorded as native in Manitoba; province-level evidence does not show precise local occupancy
- Growing site
- Full sun; well-drained clay, loam, sand or organic soil; medium-moist to dry; reported pH 6-8
- Disease note
- No significant disease problems highlighted in the cited profile
- Spread habit
- Rhizomatous; can form large colonies through rhizomes and seed; tall stems may need support
Cold hardinessZone 3 · Canadian maps for this plant
Zone 3 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
About these maps
Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.
Open Government Licence – Canada