Ornamental flowers seeds

Concert Bell F1 sunflower

Helianthus annuus

Product code : 61-8810-010

Concert Bell F1 sunflower has confirmed characteristics that help you plan its placement and cultivation. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
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Quantity
Approximately 30 bare seeds per packet
Exposure
Full sun
Life cycle
Annual

Discover the plant

Common nameConcert Bell F1 sunflower
FamilyAsteraceae
GenusHelianthus
Speciesannuus
CultivarConcert Bell F1
TypeNon-organic seeds, Treated seeds, F1 hybrid, bare seeds, pollen-free
Botanical nameHelianthus annuus

Concert Bell F1 sunflower (Helianthus annuus) Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Concert Bell F1 Concert Bell offers a unique floral presentation with several clusters of 10 to 12 flowers on a single upright stem. This variety has beautiful golden yellow flowers that grow to a height of 150 cm to 180 cm.

The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. Used as a cut flower, it forms an instant bouquet ready to use from a single cut. Concert Bell has been tested during one year in adverse weather conditions and has proven to be durable and robust, even in heavy storms and winds. Gradual hardening helps reduce transplant stress when seedlings have been started indoors before moving into the garden.

Growth is worth checking after major changes in temperature, light exposure, rainfall, or watering frequency. You can keep the labelled packet until harvest or flowering so the variety details remain easy to consult. Measured care based on the plant’s condition generally supports better balance than unnecessary routine treatments. For containers, drainage and soil volume directly influence moisture stability around the roots and the frequency of watering. In the garden, an accessible position makes observation, occasional watering, harvesting, and timely maintenance easier. It is recommended to remove only damaged material while retaining healthy foliage needed for continued growth.

Photo de Tournesol ‘Concert Bell’ F1. Le tournesol 'Concert Bell F1' se distingue par sa présentation florale exceptionnelle?: plusieurs grappes de 10 à 12 fleurs jaunes dorées sur une tige dressée. La couleur caractéristique est : jaune. Le visuel permet d’observer les contours, les teintes et la disposition des éléments présentés.

Sowing guide

It all startswith a seed.

Sowing depth

Approximately 2 to 3 cm

Spacing / density

15 cm minimum for cut flowers; 30 to 40 cm to maximize the multiflower display

Germination temperature

16 to 18°C according to W.H. Perron; the breeder lists a warmer optimum of 20 to 25°C

Germination time

7 to 14 days

Sowing period

Direct sow after the last frost; start indoors two to four weeks early if needed

Propagation

Seed

Growing method

For best results with Concert Bell F1 sunflower, follow the confirmed sowing information and observe growth at each stage. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Concert Bell F1 Concert Bell offers a unique floral presentation with several clusters of 10 to 12 flowers on a single upright stem. This variety has beautiful golden yellow flowers that grow to a height of 150 cm to 180 cm. Used as a cut flower, it forms an instant bouquet ready to use from a single cut. Concert Bell has been tested during one year in adverse weather conditions and has proven to be durable and robust, even in heavy storms and winds.

Soil and care

The right care,at the right time.

Soil pH

Slightly acid to neutral; avoid strongly acidic soils

Minimum temperature

Frost sensitive; sow or plant after the last frost

Care level

Low to moderate

Watering

For Concert Bell F1 sunflower, check soil moisture before watering and adjust frequency to weather and observed growth. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free.

Soil type

This variety prefers soil or growing medium that follows the drainage and texture information published for Concert Bell F1 sunflower. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow.

Fertilization

Fertilization for Concert Bell F1 sunflower can remain moderate and be adjusted to soil fertility and observed vigour. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free.

Moisture

Moderate with good air movement

Seasonal care

Seasonal care for Concert Bell F1 sunflower relies on regular observation, measured intervention, and respect for its growth cycle. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Concert Bell F1 Concert Bell offers a unique floral presentation with several clusters of 10 to 12 flowers on a single upright stem. This variety has beautiful golden yellow flowers that grow to a height of 150 cm to 180 cm. Used as a cut flower, it forms an instant bouquet ready to use from a single cut. Concert Bell has been tested during one year in adverse weather conditions and has proven to be durable and robust, even in heavy storms and winds. It is best to adapt care to your garden’s microclimate instead of following a fixed watering schedule in every situation. A suitable mulch can help stabilize moisture, reduce soil splash, and limit competition from weeds around established plants.

Container growing

A garden,within reach.

Recommended pot size

Stable container of at least 40 to 60 litres if grown out of the ground
Concert Bell F1 sunflower can be considered for a container when volume, drainage, and light match the expected growth. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Concert Bell F1 Concert Bell offers a unique floral presentation with several clusters of 10 to 12 flowers on a single upright stem. This variety has beautiful golden yellow flowers that grow to a height of 150 cm to 180 cm. Used as a cut flower, it forms an instant bouquet ready to use from a single cut. Concert Bell has been tested during one year in adverse weather conditions and has proven to be durable and robust, even in heavy storms and winds.
Photo de Tournesol ‘Concert Bell’ F1. Le tournesol 'Concert Bell F1' se distingue par sa présentation florale exceptionnelle?: plusieurs grappes de 10 à 12 fleurs jaunes dorées sur une tige dressée. La couleur caractéristique est : jaune. Le visuel permet d’observer les contours, les teintes et la disposition des éléments présentés.

Bloom and dimensions

Its place,in your garden.

Mature height

150 to 180 cm (59.1 to 70.9 in)

Width / spread

Around 30 to 40 cm depending on the recommended landscape spacing

Flower color

Golden yellow with a dark central disk

Foliage color

Dark green

Foliage type

Large annual, dark-green leaves

Growth rate

Fast; approximately 11 weeks to flowering

Growth habit

Tall, upright, columnar, branched, and sturdy

Fragrance

No pronounced fragrance confirmed

Bloom period

Concert Bell F1 produces several clusters totalling 10 to 12 golden-yellow flowers along one upright central stem. The pollenless flowers, approximately 11 to 15 cm across, open from the top toward mid-stem and form a complete bouquet with one cut. This 2022 AAS Winner has shown excellent sturdiness in wind and storms. To achieve the full flower count, avoid poor light, prolonged drought, and overly tight spacing. Harvest when the first flowers are open, before the lower ones age.

Days to maturity

Approximately 11 weeks according to the W.H. Perron product listing; the historical culture sheet states 8 weeks
Photo de Tournesol ‘Concert Bell’ F1. Le tournesol 'Concert Bell F1' se distingue par sa présentation florale exceptionnelle?: plusieurs grappes de 10 à 12 fleurs jaunes dorées sur une tige dressée. La couleur caractéristique est : jaune. Le visuel permet d’observer les contours, les teintes et la disposition des éléments présentés.

Garden associations

In goodcompany.

Companion plants

Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.

Frequently asked questions

Your questions,answered.

When should Concert Bell F1 sunflower be sown?
Sowing time for Concert Bell F1 sunflower depends on the confirmed packet information, the last frost date, and your region. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
Which light exposure suits Concert Bell F1 sunflower?
Light exposure for Concert Bell F1 sunflower should follow the published variety information and the light actually available in your garden. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
How should Concert Bell F1 sunflower be watered?
Before watering Concert Bell F1 sunflower, check the growing medium and foliage so frequency reflects current conditions. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
Can Concert Bell F1 sunflower be grown in a container?
Concert Bell F1 sunflower can be grown in a container when the pot provides effective drainage and enough volume for expected growth. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
When can you enjoy the harvest or flowering of Concert Bell F1 sunflower?
Concert Bell F1 sunflower is enjoyed during the flowering or decorative development period indicated for this variety. Concert Bell F1 sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 11 weeks, height:, spread: Approximately 30 to 40 cm based on recommended landscape spacing, colour: yellow. The packet contains approximately 30 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, bare seeds, pollen-free. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.