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Perennial plants

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How to plant perennials

Young plants are excellent for making New borders or just to fill in gaps. Water the plants in their existing pots before removing them with a trowel and planting in the soil. For best results mix the topsoil with some garden compost or manure. Planting depth and spacing will usually come with the plants but an average space between them is 30cm/12”. After planting apply a layer of mulch to help retain moisture and it also helps to get the plants established faster.

Bare rooted plants are mainly plants with a strong root system, like Phlox panniculata and Lupines, they mostly outgrow containers quickly. So we grow them on the fields and plough them out during late autumn. The big roots can be planted in planting wholes prepared with some compost .Prepare the planting area with a firm trowel to a depth of 20 cm. Before you plant make a plan of where to plant the plants, based up on Color- Height and Width of plant. Plant in the prepared soil (mix some compost through the top soil, plant such that the growth on top of the plants is just level with the border.

Fertilize all your Perennials during February with some organic fertilizer on top of the soil this will work its way down to the plant and stimulates organic life in the soil. Fertilize during May and July with some compound fertilizer such as 12% nitrogen + 10 % Phosphorus and 18% Potasium (12-10-18),

Cutting

In November, once your herbaceous Perennials have died back they can be trimmed hard. The finished growth is not very attractive and best to be removed. Cut the stems right down to ground level. If you have prepared the garden soil properly with compost, the nutrients and moisture in the soil should sustain the plant during its dormancy. You could also help by adding a slow-release fertilizer to the soil after pruning to promote New growth. Add a layer of fresh mulch to conserve moisture and prevent weeds from growing.

Dividing

Most though not all Perennials should be divided every three to five years especially when the heart of the plant does not show healthy growth and the flowers appear only on the side of the clump then it is time to divide them. Division can be used to control the size of rapidly spreading overgrown plants, to get more plants for use elsewhere or to share with friends. Signs that Perennials need dividing are flowers that are smaller than usual. The growth in the centre of the plant dies out leaving a hole with all the growth around the edges or when the bottom foliage is poor. In general, it is best to divide spring and summer flowering Perennials in the early autumn and autumn flowering varieties in late spring. Never divide Perennials on hot sunny days. By dividing the plant when it is not flowering all the plant’s energy can go to root and leaf growth. Water well a couple of days before dividing them.

Clumps can best be divided in early spring when New growth begins and the weather is still cool and damp. The entire clump can be removed from the ground by digging around all sides of the plant with a sharp knife or trowel or it can be pulled apart by hand, wash off excess soil so that roots are clearly visible. Depending on the size of the clump, dividing can also be done without actually removing it from the ground. Divide the clumps into sections having roots attached to each growing shoot. Do not allow the divisions to dry out replant immediately in the garden or in containers.

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