A large and imposing plant for the back of the border.
Native to Mexico and Central America, Mexican sunflower is a vigorous annual that typically grows in a single season to 1 m tall.
Showy sunflowers (to 8-10 cm across) with orange to orange-red rays and orange-yellow disks bloom from mid-summer to fall.
Entire or lobed dark green leaves with hairy undersides are generally ovate to triangular in shape with serrate to crenate margins.
Showy plant for border backgrounds and screens, good cut flower. Attracts hummingbirds, bees and butterflies.
Easily grown in average, dry to medium, well-drained soils in full sun. Plants thrive in summer heat. Plants tolerate poor soils. Avoid rich soils which tend to produce weak-stemmed plants with excess foliage.
Plants appreciate staking or other support. Deadhead spent flowers to prolong bloom period.
Information source: www.missouribotanicalgarden.org.
Approximately 80 seeds in 1 g packet.
Genus - Tithonia
Species - Rotundifolia
Common name - Mexican Sunflower
Pre-Treatment - Not-required
Hardiness zones - 2 - 11
Height - 0,80 - 1 m
Spread - 0,60 - 1 m
Plant type - Annual flower
Exposure - Full Sun
Growth rate - Fast
Soil PH - Acidic, Neutral, Alkaline
Soil type - Adaptable, poor, avoid rich
Water requirements - Average, low
Landscape uses - Showy plant for border backgrounds and screens, good cut flower.
Bloom season - July - October
Leaf / Flower color - Green / Orange-red with yellow center disk
Sow seeds directly in the garden 1-2 weeks after average last frost. For earlier bloom, we recommend to sow inside 6-8 weeks before last frost date.
Press seeds into soil surface, do not cover, keep moist.
Requires light to germinate.
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