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Sunflower Italian White Seeds - Helianthus annuus

Helianthus annuus Italian White
Sunflower

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tempting, but the question is too quick: valid for all seeds: not yet sown!

Francoise E., 08/04/2018

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This plant carries a 6 months recovery warranty

More information

Helianthus annuus 'Italian White' is an original variety that produces masses of pale yellow to creamy white blooms with a contrasting chocolate brown centre. The tall plants are ideal for brightening up sunny borders and summer bedding schemes! Sunflowers are popular annuals that are generally direct sown in spring in ordinary, well-drained garden soil.
Flower size
12 cm
Height at maturity
1.50 m
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
21 days
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Sowing period March to May
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Flowering time July to September
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Description

Helianthus annuus 'Italian White' is an original variety that produces masses of pale yellow to creamy white blooms with a contrasting chocolate brown centre. The tall plants are ideal for brightening up sunny borders and summer bedding schemes! Sunflowers are popular annuals that are generally direct sown in spring in ordinary, well-drained garden soil.

The Sunflower, or Helianthus annuus in latin, is a large annual plant belonging to the Asteraceae family, native to the Americas. It has long been domesticated for its edible seeds and is now cultivated on a large scale for its oil. 'Italian White' rapidly grows to a height of 1.50m. It produces up to 100 flowerheads (capitulum) per plant, each measuring 8-12cm across. The external petals (technically, ray flowers) are pale yellow to creamy white with a bright yellow ring, arranged around a dark brown central disc. The flowering period lasts from July to September. The floral stems are strong and branched, covered in simple, alternate to opposite heart-shaped green leaves. They are carried on a fairly long petiole and are rough to the touch.

This easy-to-grow plant, with its large seeds and cheerful disposition, is perfect for introducing children to gardening. It is particularly suited to sunny borders and summer bedding schemes. All it requires is a healthy dose of sunshine and moist, well-drained soil. Its flowers make fabulous arrangements combined with fern leaves, goldenrod, statice and carnations for example.

Good to know: Before flowering, sunflowers famously optimize their growth by following the course of the sun in a phenomenon known as heliotropism. All summer long, sunflowers attract pollinating insects and butterflies into the garden, improving its ecosystem and encouraging fruit set in the orchard or vegetable patch. The oil-rich seeds are a favourite with garden birds (nuthatches, tits, finches, sparrows, blackbirds etc.). Harvest them after flowering to provide birds with a valuable food source during the cold winter months.

Cooking with sunflowers:

Sunflower buds, petals and seeds are all edible. Brighten up green salads with a few nutty-flavoured petals. The green buds have a Jerusalem artichoke taste when blanched and tossed in garlic butter. Unhulled seeds can be eaten both raw and grilled.

Flowering

Flower colour white
Flowering time July to September
Inflorescence Flower head
Flower size 12 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms
Flowering description The flowerhead is composed of a corolla of creamy white to pale yellow petals with a bright yellow ring arranged around a dark brown central disc.

Foliage

Foliage persistence Annual
Foliage colour medium green
Foliage description MId-green heart-shaped or lanceolate indented leaves, 5-10cm across.

Plant habit

Height at maturity 1.50 m
Spread at maturity 70 cm
Growth rate fast

Botanical data

Genus

Helianthus

Species

annuus

Cultivar

Italian White

Family

Asteraceae

Other common names

Sunflower

Origin

Cultivar or hybrid

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Planting and care

The Sunflower can be sown:

  • either in March-April, in pots under shelters, for the preparation of young plants that can be placed in your flower beds after the last frost.
  • Or from May to June, after the frost, directly in place. In a sunny location in your garden. In order to enjoy beautiful fresh flowers all season, we advise you to stagger your sowings as much as possible.

Sow the Sunflower from March to April in pots. Sow your seeds in groups of 2 at a depth of cm (0.4in). Use a good quality potting soil that you will sieve on the surface to bind the seed to its substrate. Before sowing, lightly press the soil with a plank. Cover the seeds by sprinkling soil on top or with vermiculite, lightly press and water abundantly with a fine rain. Place your pots in light, without direct sunlight, at a temperature of 20°C to 25°C. Lower the temperature at night to 17°C to create a beneficial alternation for germination. Seed germination will take 21 days. Keep the soil moist but not excessive during growth.

20 days after the appearance of the young plants, remove the weakest shoot to keep only one per pot. To promote branching of the main stem, you can cut the terminal bud when the plant has developed its fifth leaf.

15 days before their final placement, start gradually acclimatizing them to a temperature of 15°C.

By the end of May, beginning of June, the temperature in the garden will be warm enough to plant your young plants. Choose a sunny location. Add a good shovelful of compost to each planting hole. Space your plants 1m (3.3ft) apart.

The vigorous growth of the Sunflower will require regular watering. When the plant reaches about 1m (3.3ft), watering can be stopped and it can rely on rainwater even if it is scarce.

It takes 84 days between sowing and flowering.

Protect your seedlings from attacks by snails and slugs, which are fond of these young plants. By sowing chives near your sunflowers, you will keep aphids away from them.

 

Sowing period

Sowing period March to May
Germination time (days) 21 days

Intended location

Suitable for Meadow
Type of use Back of border, Vegetable garden
Ease of cultivation Amateur
Exposure Sun
Soil pH Any
Soil moisture Moist soil, Free-draining, rich
4/5

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