Perennials that thrive in clay soil are not afraid of the characteristics of a growth medium that is considered difficult.
Clay soil is wet and malleable in the spring, it hardens when it dries in the summer. The trouble with the growing medium is the compaction, because of which the root system may suffer from a lack of oxygen. Despite this, perennials and clay soil are not an impossible equation.
Some perennials especially thrive in clay soil. Coastal plants especially like clay’s ability to retain moisture.
Clay soil can be made more grainy by adding compost to it and more airy by mixing sand into it.
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Perennials in clay soil: 11 options
Walnut (Stachys macrantha) is a perennial that blooms in July. Its place of growth can be from the sun to the shade, but in deep shade the flowering weakens. The soil of the growing place can be dry to moist. Walnut spreads with its ground shoots.
Spring goat root (Eastern Doronicus) grows 30–50 centimeters high. The plant blooms in sunny places as early as May with daisy-like flowers. The soil in the growing area should be humus and moisture-retaining clay soil. The foliage is rampant when the flower stalks are cut off.
Chinese wool hat (Aconitum henryi) thrives in sunny or semi-shady growing places in moist loamy clay soil. The growth height is 100–150 centimeters. The flowers bloom in July-August. The growth habit is relaxed, so the plant may need support.
Ottoman roll (Typha latifolia) grows to a height of a good meter or even two. The species thrives in the sun or partial shade. The soil in the place of growth must be wet, so ditches and their ditches are the plant’s favorite places. The flowers open in July-August. Withstands drying out and spreads with its root system.
Prairie Honey Angervo (Filipendula rubra) is an easy-care perennial growing 120–150 centimeters high. It thrives in sun to partial shade and blooms in August. The growing medium must be rich in nutrients and clay so that it retains water. Mesian algae spread around the planting site.
Ranta-alps (Lysimachia vulgaris) grows on sunny, nutrient-poor soils. The soil should be humus-rich clay soil. Blooms in June-August. Spreads strongly by root cuttings. Growth height 80–120 centimeters.
Tire (Caltha palustris) grows naturally in wetlands and yard ditches. The growth height is 30–50 centimeters. The place can be sunny or even shady. Medium nutrient and moist soil makes it lush. You can get seedlings from garden stores. After planting, the ring does not require any care.
Sarjarimpi (Butomus umbellatus) thrives in wet ground, so it should be preferred in storm water areas and shallow parts of ponds. The species that blooms in June-August grows 60–120 centimeters high. The plant does not need additional nutrients.
Siberian Husky Sword (Iris sibirica) loves moist, humus-rich places. The sword-like leaves are beautiful in themselves. In July-August, the species, which grows to 60–100 cm, blooms. When the flowering fades, the rhizomes should be divided.
Suovehka (Calla palustris) belongs to species that grow in clayey wetlands and ditches. The foliage is lush, and the flowers bloom in June-July. The growth height is 20–40 centimeters. The press floats on the surface of the water. Spreads by rhizomes.
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Tiger lily (Lily of the valley) is an easy-to-maintain onion species that thrives even in clay soil. The growth height is 90–150 centimeters. The flowers open in August-September. The soil of the growing place should be of medium nutrients, rich in humus and limed. The species is self-seeding.
Source: kotiliesi.fi
