Sunflower Helianthus annuus 'Choco Sun' (PBR)
ABOUT
The 'Choco Sun' sunflower is a striking plant notable for its richly colored flowers. This particular variety features a distinctive flower head, comprising a dark brown, almost chocolatey central disk that stands in bold contrast to the vibrant yellow petals surrounding it. The petals have a classic sunflower shape, broad and mildly pointed at the tips, radiating outward from the center like the rays of the sun. The central disk, where the seeds will eventually develop, is made up of smaller individual flowers that can attract bees and butterflies. The foliage of 'Choco Sun' is typically green, with leaves that can have a slightly rough texture. The leaves are heart-shaped, sometimes with serrated edges, providing a lush backdrop for the striking blooms that sit on top of sturdy stems. Overall, the coloring of this sunflower variety is reminiscent of chocolate, giving it a warm and inviting appearance that can add a touch of brightness to any garden setting.
About this plant
- Names
Family
Asteraceae
Synonyms
Choco Sun Sunflower, Chocolate Sun Sunflower
Common names
Helianthus annuus.
- Toxicity
To humans
The plant commonly known as sunflower, including the Helianthus annuus 'Choco Sun' variety, is generally considered non-toxic to humans. Ingesting parts of the plant typically does not result in poisoning and is not known to have harmful effects.
To pets
Sunflowers, including the Helianthus annuus 'Choco Sun' variety, are generally non-toxic to pets such as dogs and cats. They should not cause any symptoms of poisoning if ingested by pets. However, it's always best to prevent pets from eating plants as individual animals might have different sensitivities or allergic reactions.
- Characteristics
Life cycle
Annuals
Foliage type
Deciduous
Color of leaves
Green
Flower color
Yellow
Height
1-2 feet (30-60 cm)
Spread
1-2 feet (30-60 cm)
Plant type
Herb
Hardiness zones
2-11
Native area
North America
Benefits
- General Benefits
- Attractive Flowers - The plant produces vibrant, chocolate-brown to deep-red flowers that add aesthetic appeal to gardens and landscapes.
- Compact Growth - Choco Sun sunflowers have a shorter stature, making them suitable for smaller gardens or as container plants.
- Attracts Pollinators - The flowers attract bees, butterflies, and other pollinators, supporting biodiversity.
- Edible Seeds - Mature plants produce seeds that can be harvested for human consumption or as bird feed.
- Drought Tolerant - Once established, these sunflowers are relatively drought-tolerant, making them suitable for xeriscaping or low-water gardens.
- Easy to Grow - They are known for being low maintenance and easy to cultivate, even for beginner gardeners.
- Rapid Growth - Sunflowers grow quickly and can provide a sense of accomplishment in a short period of time.
- Medical Properties
- Anti-inflammatory: Sunflower seeds, which are harvested from Helianthus annuus, may help reduce inflammation due to their high content of vitamin E and other compounds.
- Cardiovascular health: The high levels of unsaturated fats in sunflower seeds can contribute to heart health by potentially lowering levels of bad cholesterol.
- Antioxidant properties: With vitamin E, selenium, and phenolic acids present, sunflower seeds from Helianthus annuus can help in neutralizing free radicals that may damage cells.
- Supports immune function: Nutrients found in sunflower seeds, like zinc and selenium, are known for their role in supporting the immune system.
- Skin health: Topical applications using sunflower oil, extracted from the seeds, may help in maintaining healthy skin, largely thanks to its emollient properties.
- Air-purifying Qualities
This plant is not specifically known for air purifying qualities.
- Other Uses
- The stalks of the sunflower can be used as a natural fiber source in paper and textile manufacturing, offering an eco-friendly alternative to traditional materials.
- Crushed sunflower shells can be incorporated into plastic production to create composite materials that are more biodegradable.
- Sunflower can contribute to biofuel production, as its oil is a potential renewable energy source that can be used in diesel engines.
- The dried stems of sunflower are sturdy and can be used in garden structures, such as trellises or stakes for supporting other plants.
- Sunflower seeds can be added to bird feed mixes to attract a variety of birds to your garden for natural pest control and pollination.
- Dried sunflower heads can be used as natural scrubbing pads for tough cleaning jobs, or as an interesting addition to compost heaps due to their fibrous nature.
- The vibrant petals of the sunflower can be used to create natural dyes for fabrics, offering a range of colors from yellow to deep orange.
- Sunflowers can be planted as a cover crop to prevent soil erosion, improve soil health, and provide habitat for beneficial insects.
- Sunflower oil is often used in the production of paints and cosmetics, providing a non-toxic and moisturizing ingredient.
- The patterns found in the head of a sunflower, reflecting the Fibonacci sequence, can be used as an educational tool to illustrate mathematical concepts in nature.
Interesting Facts
- Feng Shui
The Sunflower is not used in Feng Shui practice.
- Zodiac Sign Compitability
The Sunflower is not used in astrology practice.
- Plant Symbolism
- Adoration: Sunflowers turn to face the sun, and this movement is often interpreted as a symbol of adoration and loyalty, as if the flower is gazing upon a loved one.
- Optimism: The sunflower's bright and vibrant appearance, resembling the sun, is a symbol of positivity, happiness, and a reminder to always look on the bright side.
- Longevity: As sunflowers have a long blooming season, they are associated with a long life and good health.
- Strength: With their sturdy stems and ability to grow in a variety of conditions, sunflowers represent strength and the ability to withstand adversity.
- Provision: Sunflowers produce abundant seeds that are a source of food for people and animals, symbolizing nourishment and the sustenance of life.
- Water
Sunflowers, specifically the 'Choco Sun' variety, require deep watering about once a week, ensuring that the soil is thoroughly moistened. This typically translates to about 1.5 gallons per watering for outdoor plants, depending on weather conditions. It’s important to avoid over-watering, which means allowing the soil to dry out slightly between watering sessions. During hot or windy weather, the plants may need additional water, and potted sunflowers might require more frequent watering, about two to three times per week, due to the limited soil volume.
- Light
Sunflowers, including the 'Choco Sun', thrive in full sun exposure, requiring at least 6 to 8 hours of direct sunlight daily. They grow best in locations where they receive unfiltered sunlight for the majority of the day. A spot that gets early morning light is ideal as it helps the plant's leaves dry out quickly, reducing the chances of fungal infections.
- Temperature
Sunflowers, like 'Choco Sun', perform well in warm conditions and can tolerate temperatures as high as 90°F or higher. They can survive a minimum temperature of 34°F but frost can damage them. The ideal temperature range for optimum growth is between 70°F and 78°F.
- Pruning
For sunflowers like 'Choco Sun', pruning is generally not necessary as they are annual plants. However, removing any dead or damaged leaves and spent flowers can encourage further flowering and help maintain plant health. Pruning should be done as needed throughout the blooming period, primarily to enhance appearance and plant vigor.
- Cleaning
As needed
- Soil
Sunflowers, such as 'Choco Sun', thrive best in well-draining soil with a pH between 6.0 and 7.5. A good soil mix for these sunflowers would be a blend of loamy garden soil, compost, and a bit of sand to improve drainage. It's crucial to ensure the soil is rich in nutrients, so incorporating aged manure or a slow-release fertilizer will support their growth.
- Repotting
Sunflowers like 'Choco Sun' are typically grown as annuals and do not require repotting. They are planted directly into the ground or outdoor containers where they will grow for the season and then die after blooming and producing seeds.
- Humidity & Misting
'Choco Sun' sunflowers are quite adaptable and do not require specific humidity levels; average outdoor conditions are suitable. These plants are tolerant of both humid and dry atmospheres as long as their soil moisture needs are regularly met.
- Suitable locations
Indoor
Place in sunny spot; ensure pot has good drainage.
Outdoor
Full sun, protect from strong winds, water regularly.
Hardiness zone
Sunflowers, including 'Choco Sun', are annuals and not rated for USDA hardiness zones as they complete their life cycle in one year and can be grown in zones 2-11.
- Life cycle
The common name for Helianthus annuus 'Choco Sun' (PBR) is the 'Choco Sun' sunflower. The life cycle begins with seed germination, typically in the spring after the last frost when the soil has warmed. Seedlings emerge and grow into young plants with a central stem and leaves, relying on sunlight and water to undergo photosynthesis and grow. As the plant matures, it develops a bud that unfolds into a large, typically yellow flower with a dark brown center, attracting pollinators. Following pollination, the flower head matures into a seed head containing numerous seeds. The plant completes its life cycle by senescing and dying back, usually after seed dispersal in late summer or early fall, with seeds capable of overwintering to begin the next generation.
- Propogation
Propogation time
Spring-Early Summer
The Helianthus annuus 'Choco Sun', commonly known as the 'Chocolate Sun' sunflower, is typically propagated through seeds. Propagation by seeds is the most popular method for this plant and is generally done in the spring after the last frost when soil temperatures reach around 70 to 85 degrees Fahrenheit (21 to 29 degrees Celsius). To propagate 'Chocolate Sun' sunflowers, seeds should be sown directly into well-drained soil, at a depth of about 1/2 inch (1.27 centimeters), spaced 6 to 18 inches (15 to 46 centimeters) apart to allow adequate room for growth. The plants need a full-sun location to thrive. Regular watering is needed until the seedlings are well-established, and in 7 to 10 days, germination will usually take place, leading to the development of a hardy and vibrant sunflower suited to a range of garden settings.