Mammoth Grey Stripe Sunflower Seed

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Description

A giant in the garden! One of the best cut flowers ever, this sunflower has blooms that are a full 12” across, and a single stalk can reach 12’ in height! ‘Mammoth Grey Stripe’ is not particular about its soil and is even drought-tolerant. Grow in a closely-spaced row for a privacy screen, and sow monthly for a continuous show. Attracts a wide variety of pollinating creatures. Bird’s favorite fall food since its introduction in 1880.

Type: Annual
Days to germinate: 10-15
Days to maturity: 100
Sun/shade: Full sun
Start indoors: Not recommended
Direct-sow outdoors: 1-2 weeks after last frost
Planting depth: 1/4” to 1/2” deep
Spacing: 3 seeds every 24”; when plants reach 2”, thin to one plant every 24”
Mature plant height: Up to 60”
Suitable for container growing: No
Year of discovery: 1880