The 10 best perennials for clay soil

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Each plant has its own specific requirements for its location and soil. While in a normal garden soil many perennials thrive, the supply of plants for heavy loam soil is much more limited. But what exactly characterizes a clay soil? First of all: A certain amount of clay is present in every normal garden soil. It ensures that water and thus nutrients stay in the soil for longer, thus making the soil less permeable.

This can be a problem for very loamy or clayey soils, because the amount of clay is too high, the water can not drain and the location is in the twinkling of an eye too humid for most perennials. In addition, the high clay content ensures that only little oxygen can reach the roots. Here, the incorporation of sand can increase the permeability and improve the soil. If that's too much trouble for you, you should be careful when planting plants to only plant perennials that - if they do not necessarily love loamy soil - at least tolerate them. We present a small selection of these perennials.

Perennials for clay soil in the sunny bed

Especially for sunny beds, there are some shrubs that tolerate a clay soil. The reason: The high solar radiation ensures that the soil is not too moist. Among these perennials is, for example, the tall phlox (Phlox paniculata), which blooms depending on the variety between July and September in all imaginable white, pink, purple and red tones. It prefers a loamy, nutrient-rich soil, but is somewhat sensitive to waterlogging. Even the popular summer bloomers sunbeam (Helenium) and sun-eye (Heliopsis helianthoides) get along well with a loamy soil.
These two types of perennials share some similarities. They not only belong to the same family (asteraceae), they also bloom exclusively in warm colors. While the flowers of the sun's eye are exclusively yellow and depending on the variety sometimes unfilled, sometimes filled, the color spectrum of the sun bride ranges from yellow to orange to red. Some varieties, for example the hybrids 'Biedermeier' and 'Flammenrad' also have flowers with color gradients from yellow to orange or red. Both genera bloom between July and September.

Sunbath 'Flame Wheel'

With the sunbeam variety 'Flammenrad' you bring every bed to shine

From August, the pink or purple flowers of the Raublatt Aster (Aster novae angliae) make a nice contrast to the bright colors of the sun bride and the sun's eye. It also prefers a loamy, humus rich, nutrient-rich soil. Because of their stature heights of up to 160 centimeters, Raublatt asters are especially suitable for rear bed areas. Smaller varieties such as 'Purple Dome' come into their own in the front of the bed. Bergenia (Bergenia) also thrive best in a sunny spot and bloom much richer than in the shade, though tolerating a partially shaded planting place. Although they prefer a fresh soil, but also tolerate drought quite well. Highly recommended here is the hybrid 'Eroica', which is in addition to her violet-red flowers in April and May in autumn and winter with bright red undersides an absolute eye-catcher in the bed.

China meadow rue

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The 10 best perennials for clay soil: perennials

The 10 best perennials for clay soil: best

The 10 best perennials for clay soil: perennials


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These perennials also thrive on heavy loamy soil

The 10 best perennials for clay soil: perennials

With its filigree flower patterns, the Chinese meadow rue (Thalictrum delavayi) conjures lightness in sunny to partially shaded areas at the edge of the wood

The 10 best perennials for clay soil: perennials

The Knotweed (Polygonum amplexicaule) has very ornamental flower spikes between June and October and looks especially nice when planted in a larger group

The 10 best perennials for clay soil: perennials

Although the autumn monkshood (Aconitum carmichaelii) is very poisonous, it is an enchanting late summer bloomer that grows easily on loamy soil

The 10 best perennials for clay soil: clay

Depending on the species and variety, the sunbeam (Helenium) ensures a good mood in the bed with its glowing basket blossoms between May and September

The 10 best perennials for clay soil: clay

The tall phlox (Phlox paniculata) copes with any garden soil, provided it is sufficiently nutrient-rich and not too pervious, and therefore tolerates loamy soils

The 10 best perennials for clay soil: soil

In the shadow of light woody trees, the Astilbe trees provide color between June and September. Depending on the variety, the color spectrum ranges from white to orange to pink and dark red

The 10 best perennials for clay soil: perennials

The sun's eyes (Heliopsis) not only cut a good figure in the sunny bed, but are also very well suited as cut flowers. They are both filled and simply flowering

The 10 best perennials for clay soil: soil

Hardly any other plant is as autumnal as the aster with its numerous flowers in all imaginable pink and violet tones. For loamy soils are especially the varieties of Raublatt-Aster (Aster novae-angliae)

The 10 best perennials for clay soil: perennials

The Bergenie 'Eroica' (Bergenia hybrid) is not only an exquisite foliage ornamental plant, but thrills with a bright red leaf color in addition to her violet-red flower in spring in the autumn months

The 10 best perennials for clay soil: best

In the large genus of cranesbills (geranium), there is a suitable perennial for almost every location in the garden. For loamy soils, for example, the almost indestructible variety 'Rozanne' is suitable.

China meadow rue


Autumn monkshood


High phlox

Pink flowering popsails


Violet autumn aster

Bergenie 'Eroica'

Cranesbill 'Rozanne'

Perennials for the penumbra

For semi-shady and shady garden areas, the selection of perennials is already a bit smaller. But even here you will find the right plant. Most of these perennials thrive in partial shade as well as in the sun. These include the Chinese meadow rue (Thalictrum delavayi), the candle knotweed (Polygonum amplexicaule), the autumn blackcurrant (Aconitum carmichaelii) and the species of the cranesbill (Geranium). In the genus of cranesbill there are numerous species that feel well in a loamy-humus soil. In addition to the brown cranesbill (Geranium phaeum), the hybrid 'Rozanne' may not be missing at this point. The extremely robust perennial thrills from June to the first frost with its violet blue flower. In July / August, the Chinese meadow rue produces filigree violet-pink flower spikes and brings wonderful lightness to plantings on the edge of the woody edge. With a stature height of up to 180 centimeters, she is pleased about a support. It thrives in any humus rich, fresh garden soil, but it is really stable only in damp, bright locations.

Knotweed Bistorta amplexicaulis

Knotweed (Bistorta amplexicaulis) does not bloom until late, but until frost

The Knotweed also prefers moist, loamy soils and therefore must not be missed in this list. It not only grows quickly, but also tirelessly blooms from the end of June to the first frost. The color spectrum of the flowers ranges from white to various shades of pink to dark red. For partially shaded to absonnige places on the woody edge, we recommend the planting of spectacular branches (Astilbe). They prefer a humus-rich, fresh soil in such locations. If you plant lightheaded trees in a sunny spot in the garden, the soil should be very loamy so that the perennial gets enough water. Also in a partially shaded to shady position thrives the Herbst-Eisenhuts, which in September / October with its dark, blue-violet flowers. Similar to the Astilbe also applies to this shrub: The sunnier it is, the moister the soil should be. Therefore, the iron hat is also very suitable for loamy soils, as they store the water well.

Video Board: 12 Flowers that Thrive in Clay Soil.

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