Key Features
- Bright yellow flower heads create a cheerful, classic summer garden display.
- Helianthus is known for its sun-loving growth and distinctive daisy-like blooms.
- Excellent choice for flower borders, cottage gardens, pollinator spaces, and naturalized areas.
- Tall, upright plants can add height, structure, and seasonal color to garden beds.
- Flowers attract bees, butterflies, and other beneficial pollinating insects.
Growing Benefits
- Adds vibrant yellow color and sunny character to outdoor spaces.
- Easy-to-grow choice for gardeners who enjoy classic summer flowers.
- Creates vertical interest in borders, beds, and informal garden settings.
- Flowers can support pollinators while adding beauty to the landscape.
- Suitable for fresh-cut flower arrangements and seasonal garden displays.
Seed Specifications
- Common Name: Yellow Helianthus, Sunflower
- Botanical Name: Helianthus spp.
- Plant Type: Annual or perennial flowering plant, depending on species
- Colors: Yellow
- Height: Varies by species and variety; commonly about three to eight feet
- Sunlight: Full sun
- Soil: Fertile, well-drained soil
- Water: Moderate; keep evenly moist during establishment
- Germination Time: Typically seven to fourteen days under favorable conditions
- Sowing Depth: About one-half to one inch deep
- Spacing: About twelve to twenty-four inches, depending on variety
- Growing Zones: Varies by species; annual types can be grown widely during the warm season
- Flowering/Maturity: Generally blooms in summer; timing varies by species and growing conditions
- Uses: Flower beds, borders, cottage gardens, pollinator gardens, naturalized planting, cut flowers
Growing Tips
- Choose a sunny location receiving several hours of direct sunlight daily.
- Sow seeds directly after the danger of frost has passed.
- Give taller plants enough space so they receive good airflow and sunlight.
- Water consistently while seedlings are becoming established.
Seed Storage
Keep unused seeds in a cool, dry, dark place. Store them in a sealed, moisture-resistant container or original packet away from humidity and heat. Avoid direct sunlight and temperature fluctuations.
Unique Facts About Seeds
- Helianthus is the botanical genus that includes true sunflowers.
- The name Helianthus comes from Greek words associated with the sun and flower.
- Sunflower flower heads are actually made up of many individual tiny flowers.
- Helianthus species range from annual garden plants to long-lived perennial species.