PlantFun
Plant Needs
Sunlight
Requires full sun for best blooming and sturdy stems.
Watering
Moderate watering; drought-tolerant once established but prefers consistent moisture during bloom.
Temperature
Highly cold hardy (USDA Zones 4-9) and tolerant of summer heat.
Characteristics
- Leaves: Dark green, coarse, ovate to lanceolate, with toothed margins and a rough texture;
- Flowers: Numerous flower heads (5-8 cm across) featuring pale lemon-yellow ray florets and a darker yellow central disk;
- Stems: Sturdy, upright, branching, and covered with stiff hairs.
Care Guide
Watering
Water deeply when the top inch of soil feels dry.
Fertilization
Apply a balanced slow-release fertilizer as new growth emerges.. Do not over-fertilize, as this leads to weak, floppy stems.
Banana Peel Tea：Steep chopped banana peels in water for 24-48 hours. Dilute 1:1 with water and apply to the base to support robust flower production. Discard solids in compost.Pruning
- Pinch back growing tips in late spring (Chelsea chop) to encourage bushier growth and more flowers;
- Deadhead spent blooms to prolong the flowering period;
- Cut stems down to the ground in late autumn or early spring before new growth begins.
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: Non-toxic to cats (per ASPCA).
Humans: Non-toxic to humans.
Garden Uses & Culture
Culture: In Western culture, sunflowers are symbols of adoration, loyalty, and longevity, often associated with the sun's life-giving warmth.
Usage: Excellent for the back of perennial borders, cottage gardens, pollinator gardens, and as long-lasting cut flowers.