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Sunflower Lemon Queen seeds - Helianthus annuus

Helianthus annuus Lemon Queen
Sunflower, Common Sunflower

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françoise vrban, 17/10/2016

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This plant carries a 6 months recovery warranty

More information

Annual plant with a tall growth (150 to 180cm (59 to 71in)) whose numerous floral stems produce about twenty flowers per plant throughout the season. The 10 to 12cm (4 to 5in) flowers are of a beautiful lemon yellow colour with a black centre. It is an excellent solution for background flower beds as well as for making bouquets. Sunflowers like sunny locations and rich, fresh soil.
Flower size
12 cm
Height at maturity
1.80 m
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
21 days
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Flowering time July to September
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Description

The 'Lemon Queen' Sunflower, whose botanical name is Helianthus annuus 'Lemon Queen', is an annual plant with rapid growth. Its numerous floral stems reach between 150 and 180cm (59 and 71in) and produce about twenty flowers per plant throughout the flowering season.
From July to September, this Garden Sunflower presents a magnificent lemon yellow flowering with a black centre.

Its flowers resemble giant daisies with a diameter of 10 to 12cm (4 to 5in). Its flowering inevitably catches the eye of visitors. The numerous stems will provide you abundantly with the flowers you need to create your splendid summer bouquets.

This magnificent flowering spreads from July to September. However, we recommend staggered sowing to enjoy beautiful and young flowers regularly and until autumn.
The leaves, 5 to 10cm (2 to 4in) in size, cordate or lanceolate and dentate, are medium green in colour.

To enjoy your Sunflower bouquets for a longer time, follow these tips:

  • Cut the flowers in the morning just after they have opened. Use a knife that has been thoroughly cleaned beforehand.
  • Remove the leaves from the bottom, leaving only 2 or 3 leaves below the flower.
  • Change the water in the vase with fresh water every day.

In the garden, sow the 'Lemon Queen' Sunflower at the back of a flower bed, where it will majestically dominate the other flowers and illuminate the bed with its tender colour. Sunflowers love sunny spots and rich, fresh soil.
Before flowering, the plant optimizes its growth by following the course of the sun. This phenomenon, called heliotropism, has given rise to some of its common names: Héliotrope, Tournesol, Sunflower, Garden Sun.

Sunflower in the kitchen:

The buds, petals, and seeds are edible. Add a few petals to a green salad for colour contrast and their nutty taste. The green buds can be blanched and then sautéed in garlic butter. Their flavor is similar to that of Jerusalem artichoke. The flesh of the seed can be eaten raw or roasted.

An ecological asset:
Throughout summer, the nectar-rich flowers of Sunflowers attract pollinating insects and butterflies to your garden. This is a great way to improve the ecosystem of your garden and promote the production of fruits and vegetables in your vegetable patch.
The oil-rich seeds are particularly appreciated by birds (Parrots, Tits, etc.). At the end of flowering, harvest them to make some creatures happy during the winter scarcity.

Flowering

Flower colour yellow
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 flower is a head composed of a core of black florets surrounded by a single rank of lemon yellow petals.

Foliage

Foliage persistence Annual
Foliage colour medium green
Foliage description The 5 to 10cm (2 to 4in) long leaves, cordate or lanceolate and dentate, are of a medium green colour.

Plant habit

Height at maturity 1.80 m
Spread at maturity 70 cm
Growth rate fast

Botanical data

Genus

Helianthus

Species

annuus

Cultivar

Lemon Queen

Family

Asteraceae

Other common names

Sunflower, Common Sunflower

Origin

Cultivar or hybrid

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Planting and care

The Sunflower can be sown:

  • either in March-April, in pots under shelter, for the preparation of young plants that can be placed in your flowerbeds after the last frost.
  • Or from May to June, after the frost, directly in place. In a sunny spot in your garden. In order to enjoy beautiful fresh flowers all season, we recommend staggering 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 1cm (0.3in). Use good quality potting soil that you will sift on the surface to bind the seed to its substrate. Before sowing, lightly press down the soil with a board. Cover the seeds by sprinkling soil or vermiculite on top, lightly press down and water generously with a fine rain. Place your pots in light, without direct sunlight, at a temperature of 20°C (68°F) to 25°C (77°F). Lower the temperature at night to 17°C (62.6°F) to create a beneficial alternation for germination. The seeds will take 21 days to germinate. Keep the soil moist but not overly wet during growth.

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

15 days before their final planting, start acclimatizing them gradually to a temperature of 15°C (59°F).

By the end of May or early 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 60cm (24in) apart.

The vigorous growth of the Sunflower will require regular watering. When the plant reaches about 1m (3ft), watering can be stopped and it can rely on rainwater even if it is scarce.

It takes 75 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

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, Fertile, moist, well-drained.
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