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Rudbeckia - a herb for open ground of the Asteraceae family. Homeland - North America. The plant can be either perennial or annual or biennial. Rudbeckia leaves are green, cut in shape.
The stem, reaching a height of 1.5-2 m, forks in the upper part of the plant, often covered with short hairs. The fruit is achene. Many species reproduce well by self-seeding.
In almost all varieties, flowering begins in mid-summer and continues until frost. Loves sunny, open places.
Recommended reading: Daffodils, Planting and Care.
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There are many types of perennial rudbeck. Let's consider the most common ones.
- Rudbeckia dissected - one of the most widespread species in Russia called "Golden ball". Terry or semi-double yellow inflorescences 10-12 cm in diameter. Plant height reaches 200 cm. It needs a garter to support. It winters well without shelter.
- Rudbeckia radiant or shiny - plant up to 60-70 cm tall. The color of the inflorescences is predominantly orange.
- Rudbeckia is beautiful - a plant with a convex brown core, which retains the decorative effect of the plant after the petals fall.
- Rudbeckia glossy - a plant whose height reaches 130 cm. It got its name for its shiny leaves that emphasize the beauty of bright inflorescences. Unlike many other species, it has a light colored core.
Growing rudbeckia in your garden
Annual rudbeckia are grown from seed. In March-April, sowing is carried out in containers, lightly sprinkling with earth. Seedlings appear in 7-10 days.
The pick is carried out after the appearance of the first true leaf. Seedlings are planted in open ground after the threat of frost.
Perennial rudbeckia reproduce by sowing seeds or dividing rhizomes. Seeds can be sown in June-July, planting permanently in the fall. Such plants will bloom next year. The division of rhizomes is carried out either in spring or in autumn. Humus and sand are added to the soil in equal proportions.
After planting a young plant, it is necessary to keep the soil moist for two weeks. To preserve moisture, the soil is mulched.
Features of growing annual rudbeckia
Annual rudbeckia is suitable for growing in containers. It is often used for cutting. It can stand in water for a long time without fading (for the best effect, add an aspirin tablet to the water).
To collect seeds, you must wait until the peduncles are completely dry. Seeds remain viable for up to three years.
Other colors and sizes of inflorescences are possible when using their own seeds. With early spring sowing for seedlings, the plant blooms in June.
The most common types of annual rudbeckia:
- Hairy or rough rudbeckia - differs in long and abundant flowering. Low-growing varieties are used in borders and potting compositions. Well worth the cut.
- Rudbeckia enveloping - got its name for the unusual arrangement of the petals. They are lowered down, creating a feeling of enveloping the stem.
One of the colorful flowers of the garden, see: hydrangea photo.
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The plant is quite unpretentious. Rarely damaged by diseases and pests. Care consists in watering, feeding, mulching the soil.
In hot weather, keep the soil moist by watering the plant in the morning and evening.
Mulch will interfere with the rapid evaporation of moisture; for this, cut grass or peat is used.
With a lack of moisture, rudbeckia begins to wilt, flowering worsens.
Top dressing is carried out with full complex fertilization 3-5 times per season with an interval of three weeks. To prolong flowering, remove faded inflorescences.
Since the root system of rudbeckia is located close to the surface, it is necessary to add a layer of fertile soil for the winter. In autumn, the stems are cut, leaving 10-15 cm. Tall plants require a garter to a support.
There are so many varieties of this beautiful plant that everyone will find the variety that is right for their garden. Long, lush flowering will not let the flowerbed fade even in autumn, when many plants have already faded.
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