Helianthus annuus 'Russian Mammoth'

Also Known As

Helianthus 'Mammoth'
Mammoth Sunflower

Plant type

annual / biennial

size

H: 8'-12'
W: 2'-4'

planting zones

1-11

More Options

Helianthus annuus 'Russian Mammoth' plant details

Helianthus annuus 'Russian Mammoth' is a broadleaf deciduous annual / biennial with green foliage. In summer yellow flowers emerge. Attracts bees and birds making it an excellent addition to pollinator gardens. Grows well with sun and even moisture - regular water. Does well in rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Helianthus annuus 'Russian Mammoth'

Plant type: annual / biennial
Plant family: asteraceae
Foliage: deciduous green
Mature size: 2 FT - 4 FT - wide, 8 FT - 12 FT - tall
Flowers: yellow blooms in summer
Uses: big flowers

GROWING CONDITIONS for Helianthus annuus 'Russian Mammoth'

USDA Zones: 1 - 11
Sun exposure: sun
Watering frequency: even moisture - regular
Resistant to: verticillium wilt
Soil needs: rich and well-drained

Nursery contributed plant descriptions

The ultimate Sunflower! Fun for the birds & fun for the whole family. Be creative! Growing quickly to 8’ tall with massive flowers, up to 1’ across. The bees will thoroughly enjoy hanging out on the pretty bright yellow flowers. Grow this one for edible seeds! It makes piles & piles of yummy seeds for snacks. Or leave the seedheads on the stalks to attract lots of snacking birds to your garden.