Ornamental flowers seeds

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From seed to harvest

Common nameDouble Santa Fe sunflower
FamilyAsteraceae
GenusHelianthus
Speciesannuus
CultivarDouble Santa Fe
TypeNon-organic seeds, Treated seeds, F1 hybrid, coated seeds
Botanical nameHelianthus annuus
Quantity per packetApproximately 50 bare seeds per packet

Double Santa Fe sunflower (Helianthus annuus) Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers. Always a delight for a child’s garden and a great cut flower too, as the bold, double, orangey yellow flowers cheer up any room!

The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. The information printed on the packet remains the reference for depth, temperature, and timing associated with this seed lot. 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.

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. Results may vary with weather, sowing date, soil quality, and the number of hours of useful light each day.

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

Space approximately 30 to 40 cm apart to allow branching

Germination temperature

16 to 18°C according to W.H. Perron

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 Double Santa Fe sunflower, follow the confirmed sowing information and observe growth at each stage. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers. Always a delight for a child’s garden and a great cut flower too, as the bold, double, orangey yellow flowers cheer up any room! A suitable mulch can help stabilize moisture, reduce soil splash, and limit competition from weeds around established plants. 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.
Soil and care

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 the 'Santa Fe' double sunflower, it is recommended to check soil moisture before watering and to adjust the frequency according to the weather. To plant this variety, first choose a location that matches its sun exposure: full sun. Indoors: A well-drained and porous seed-starting mix is ideal to prevent overwatering. Outdoors: Rich, well-drained soil.

Soil type

This variety prefers soil or growing medium that conforms to the drainage and texture indications published for Double Sunflower 'Santa Fe'. Fertilization for Double Sunflower 'Santa Fe' can remain moderate and should be adjusted according to soil fertility and observed vigor. Late spring, once the soil has warmed up. Large, stable container of at least 40 to 60 liters if grown above ground.

Fertilization

Fertilization for Double Santa Fe sunflower can remain moderate and be adjusted to soil fertility and observed vigour. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds.

Seasonal care

Seasonal care for Double Santa Fe sunflower relies on regular observation, measured intervention, and respect for its growth cycle. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers. Always a delight for a child’s garden and a great cut flower too, as the bold, double, orangey yellow flowers cheer up any room! A suitable mulch can help stabilize moisture, reduce soil splash, and limit competition from weeds around established plants. 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.
Growing in containers

Container growing

Container growing

Recommended pot size

Stable container of at least 40 to 60 litres if grown out of the ground
Double Santa Fe sunflower can be considered for a container when volume, drainage, and light match the expected growth. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers. Always a delight for a child’s garden and a great cut flower too, as the bold, double, orangey yellow flowers cheer up any room! A suitable mulch can help stabilize moisture, reduce soil splash, and limit competition from weeds around established plants. 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.
Growth and harvest

Size, flowering & harvest

Mature height

150 cm (59.1 in)

Width / spread

40 cm (15.7 in.)

Flower color

Orange yellow; fully double flowers

Foliage color

Dark green

Foliage type

Large annual, dark-green leaves

Growth rate

Fast; flowers in 9 to 11 weeks

Growth habit

Tall, upright, columnar, branched, and sturdy

Fragrance

No pronounced fragrance confirmed

Bloom period

Double Santa Fe produces large, fully double orange-yellow flowers resembling pompons or chrysanthemums on a branching plant approximately 150 cm tall. W.H. Perron highlights their quality, abundance, and value as cut flowers. Harvest when a flower is nearly fully open, before the outer petals tire. Remove spent blooms and make several sowings two to three weeks apart to extend harvest from July through September. Very double flowers may offer less accessible pollen than single forms.

Days to maturity

9 to 11 weeks
Garden companions

Garden associations

Companion plants & uses

Companion plants

Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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, Double Santa Fe sunflower is best positioned according to its habit, dimensions, and confirmed use. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers. Always a delight for a child’s garden and a great cut flower too, as the bold, double, orangey yellow flowers cheer up any room! A suitable mulch can help stabilize moisture, reduce soil splash, and limit competition from weeds around established plants. 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.

Frequently asked questions

Frequently asked questions

When should Double Santa Fe sunflower be sown?
Sowing time for Double Santa Fe sunflower depends on the confirmed packet information, the last frost date, and your region. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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 Double Santa Fe sunflower?
Light exposure for Double Santa Fe sunflower should follow the published variety information and the light actually available in your garden. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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 Double Santa Fe sunflower be watered?
Before watering Double Santa Fe sunflower, check the growing medium and foliage so frequency reflects current conditions. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers.
Can Double Santa Fe sunflower be grown in a container?
Double Santa Fe sunflower can be grown in a container when the pot provides effective drainage and enough volume for expected growth. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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 Double Santa Fe sunflower?
Double Santa Fe sunflower is enjoyed during the flowering or decorative development period indicated for this variety. Double Santa Fe sunflower is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity:, height: 150 cm, spread: 40 cm, colour: orange. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, f1 hybrid, coated seeds. 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. Double Santa Fe It’s a wonderful improvement over existing double flower varieties, for the quality and quantity of the flowers.

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