Name: Concert Bell F1 sunflower ( Helianthus annuus )
Brand: Norseco
SKU: 61-8810-010
Price: 7.49 CAD
Availability: InStock

Sale Sold out

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.

Non-organic seeds, Treated seeds, F1 hybrid, bare seeds, pollen-free Asteraceae

Ornamental flowers seeds

Norseco

From seed to harvest

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

Quantity per packetApproximately 30 bare seeds per packet

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.

Light and life cycle

In the garden

Exposure: Sun
Life cycle: Annual

Sowing and germination

Sowing guide

Sowing & germination

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

Soil & care

Soil pH

Slightly acid to neutral; avoid strongly acidic soils

Moisture

Moderate with good air movement

Minimum temperature

Frost sensitive; sow or plant after the last frost

Care level

Low to moderate

Watering

For Sunflower ‘Concert Bell’ F1, it is recommended to check soil moisture before watering and adjust frequency according to the weather. To get the full number of flowers, avoid lack of light, prolonged drought, and excessively close spacing. 150 to 180 cm according to the official description and the Norseco fact sheet; the WH Perron chart sometimes shows up to 225 cm

Soil type

This variety prefers soil or substrate that meets the drainage and texture requirements published for Sunflower 'Concert Bell' F1. Fertilization for Sunflower 'Concert Bell' F1 can remain moderate and should be adjusted according to soil fertility and observed vigor. Late spring, when the soil has warmed up Large stable container of at least 40 to 60 liters if grown above ground

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.

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.

Growing in containers

Container growing

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.

Growth and harvest

Size, flowering & harvest

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

Garden companions

Garden associations

Companion plants & uses

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.

Garden use

In your garden, Concert Bell F1 sunflower is best positioned according to its habit, dimensions, and confirmed use. 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.

Frequently asked questions

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.