Helianthus maximiliani - Maximilian's sunflower
Helianthus maximiliani - Maximilian's sunflower
Helianthus maximiliani Maximiliani
Maximilian sunflower, Maximilian's sunflower
Very well received and very quickly. How far apart should I plant them... let me check... and should I soak the seeds beforehand??
Catherine V., 05/02/2018
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Description
Helianthus maximiliani, or Maximilian Sunflower, is a perennial plant that grows rapidly, with branched stems reaching between 1.20m (4ft) and 2.50m (8ft). They bear about thirty bright yellow single flowers that form a column of flowers measuring 60 to 80cm (24 to 32in).
Its flowers resemble daisies with pointed petals, measuring 7cm (3in) in diameter, and emit a delightful chocolate fragrance.
The main stem branches out and each branch carries a flower facing towards the sky. Three stems make for a splendid wildflower bouquet.
This magnificent flowering occurs from June to October.
The vigorous roots of the Maximilian Sunflower quickly spread the clump. In autumn, mound the edge of your flower bed and remove some of the roots on the periphery to limit its expansion.
To enjoy your Heliathus bouquets for longer, follow these tips:
- Cut the flowers in the morning. Use a knife that has been thoroughly cleaned beforehand.
- Change the water in the vase every day with fresh water.
In the garden, sow Helianthus maximiliani at the back of the flower bed, where it will majestically dominate the other flowers.
Until before flowering, the plant optimizes its growth by following the sun's path. This phenomenon, called heliotropism, has given rise to some of its common names: Heliotrope, Sunflower, Sunflower, Garden Sunflower...
An ecological asset:
Throughout summer, the nectar-rich flowers of Helianthus attract pollinating insects and butterflies to your garden. It's a great way to improve the ecosystem of your garden and promote fruit and vegetable production 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 the birds happy during the winter shortage.
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Flowering
Foliage
Plant habit
Botanical data
Helianthus
maximiliani
Maximiliani
Asteraceae
Maximilian sunflower, Maximilian's sunflower
Planting and care
Sow Maximilian's Sunflower from February to April in a seed tray. Use a good quality compost that you will sieve on the surface to ensure the seed is well connected to its substrate. Before sowing, lightly press down the compost with a board. Scatter your seeds freely. Cover the seeds by sprinkling compost on top or using vermiculite, lightly press down and water generously with a fine rain. Place your seed tray in a well-lit area, without direct sunlight, at a temperature of 18°C (64.4°F) to 21°C (69.8°F).
The seeds will germinate in 7 to 21 days. As soon as the plants are manageable, transplant them into 7cm (3in) pots. Keep the compost moist but not excessive during growth. Then, 15 days before their final planting, start gradually acclimatizing them 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 handful of compost to each planting hole. Space your plants 60cm (24in) apart.
Regularly remove faded flowers to maintain beauty and promote their renewal.
Protect your seedlings from attacks by snails and slugs, which are fond of these young plants. By sowing chives near your sunflowers, you will deter aphids from settling in.
After flowering, cut the stems down to 50cm (20in) high.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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