Sunflower Plant
Sunflower (Helianthus annuus) is an annual that grows 3-10 ft tall, hardy in USDA Zones 4-9, prefers well-drained, loamy soil, full sun, medium moisture, is edible, and has no medicinal uses.
Habit
Upright
Height
1.5-3 m
Growth
Annual
Soil
Well-drained, loamy
Shade
Full Sun
Moisture
Moderate
Edible
Yes
Medicinal
No
Origin
North America
Climatic Condition
Warm, Subtropical
Temperature (°)
20-30°C
Humidity (%)
40-60%
Potting media
Peat moss, perlite
Fertilizers
Balanced NPK (10-10-10)
Watering
Regular
Plant Weight
1-2 kg
Flowering Time
Summer, Fall
Soil Ph level
6.0 - 7.5
Water Ph level
6.0 - 7.5
Soil EC
1-2 dS/m
Yield Per Plant
2-4 kg per plant
NPK ratio
10:10:10
life Span
Annual
Health Benefits
High in antioxidants, seeds edible
Suggested Grow Media or Potting Mix ?
40% compost, 30% peat moss, 30% perlite
Suggested Fertigation/Fertilizers
Fertilize every 2 weeks with a balanced, water-soluble fertilizer.
Common Diseases and Remedies
Downy Mildew,Rust,Sclerotinia Stem Rot,Verticillium Wilt,Powdery Mildew
Yellow spots on leaves, white mold on undersides ,Orange pustules on leaves, Wilted plants, white fluffy mold on stems, Yellowing, wilting, and dieback of leaves, White powdery growth on leaves
Remove infected plants, use resistant varieties, Apply sulfur, remove infected debris, Crop rotation, avoid planting in infected areas, Use disease-free seeds, rotate crops, Neem oil, baking soda spray
Fungicides with mefenoxam, Fungicides containing myclobutanil, Fungicides like boscalid or iprodione, Soil fumigation with chloropicrin, Sulfur-based fungicides