10+
Skyscraper Sunflower is a tall single stem annual variety known for its large yellow blooms and strong upright growth. It produces a prominent central flower on very tall plants, making it suitable for garden backdrops, borders, and open field planting. This variety adapts well to warm climates and performs best in full sunlight with well drained soil. It is commonly grown during the warm season and is suitable for creating vertical interest in planting spaces.
Features
- Tall single stem growth suitable for background planting
- Produces large central blooms on strong stems
- Adaptable to warm and temperate climates
- Suitable for borders and open garden spaces
- Performs best in full sunlight conditions
Specifications
- Scientific name: Helianthus annuus
- Common name (US): Sunflower
- Seed type / variety: Skyscraper
- Growth habit: Annual single stem
- USDA zones: 2 to 11
- Planting season: Spring to early summer
- Growing season: Summer to early fall
- Sowing Season: Spring March to May Early Summer June
- Germination time and conditions: 7 to 10 days in warm soil 18 to 24 C
- Sunlight requirements: Full sun
- Soil requirements: Well drained moderately fertile soil
- Watering needs: Moderate keep soil evenly moist during establishment
- Mature plant size: 240 to 360 cm height 45 to 60 cm spread
- Plant spacing: 45 to 60 cm apart
