The Garden in May

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Lilac and cherry bloom in May

And soon the trees are clothed with leaves

Before the month has passed halfway

Winter's blast is summers breeze

Plants of interest (my selected varieties of trees, shrubs, annuals and perennials)

bulletAquilegia vulgaris varieties,
bulletVeronica prostrata,
bulletExochorda giraldii small tree festooned with paper-white flowers,
bulletLaburnum the golden rain tree,
bulletWistera sinesis,
bulletMeconopsis betonicifolia,
bulletCeanothus 'Cocha' one of the best wall shrub varieties with bright blue flowers, compact habit,
bulletCeanothus 'Cascade',
bulletCeanothus 'Blue Mound', 
bulletCeanothus thyrsiflotus repens the creeping blue blossom, 
bulletDicentra spectabalis alba,
bulletVerbascum 'Gainsborough',
bulletConvolvulus cneorum,
bulletViburnum plicatum 'Mariesii',
bulletLaburnocytisus x adamii a very attractive and unusual tree or wall shrub. This tree is a cross between two genera (a by generic hybrid) the Laburnum anagyroides and Cytisus purpureus, the result is a tree that bares three types of flowers. Yellow flowers of the Laburnum, purple flowers of Cytisus (Broom) but most of the branches produce intermediate flowers of striking coppery-pink.

Key tasks to undertake

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Remove spring flowering bedding and bulbs, prepare the ground for summer bedding.

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Plant out summer bedding plants towards the end of the month, visit the University of Cambridge, Gardening Service, Plant Sales. Plant scented plants near doors, windows and near areas where you sit.

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Support herbaceous plants while they are small.

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Apply a selective weed and moss killer to weedy lawns this month.

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Some hedges will want their first cut, it is essential to cut some hedges regularly as a neat hedge contributes greatly to the overall appearance of the garden, let it grow untidy and the garden will look unkempt.

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Mow the lawn regularly, water if necessary and remove odd perennial weeds by hand or cut through them with a knife. The best lawns are achieved by regular mowing, removing all grass cuttings as you mow and feeding several times a year.

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Feed daffodil bulbs to build up next years flowers.

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Plant up hanging baskets, include long lasting slow release fertilizer and water retaining granules in your basket compost. This will save the task of having to include a liquid feed when you water and watering should be slightly reduced.

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Repot greenhouse plants that fill there pots with roots.

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Lift early potatoes, there is nothing quite like the taste of home grown early potatoes.

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Sow the seed of herbaceous perennials and biennials out of doors this month in a prepared seed bed.

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You can still direct sow hardy annuals where they are to flower in late summer, support with twigs hardy annuals as required.

My tips for the month

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Summer is not far away, it may be necessary to make good any rainfall deficit to maximize good plant growth.

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Topiary or the art of shaping trees and shrubs by clipping and wiring is a wonderful way of creating all year round interest in garden. Clipping will be frequently required to keep the looking neat and tidy.

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Frost should not be a problem but when both March and April have been very dry months there is a risk of a frost in early May.

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Keep on top of weeds by hoeing, never let them get to large or flower, always remove the roots of perennial weeds.

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Watch out for Vine Weevil damage in container plants, grubs hatch in spring and eat the roots of an increasing range of plants, plants will wilt, remove the creamy white grubs after taking the plants out of there pots. The adult dark grey beetles do little damage other than take notches out of leaves but as they are nocturnal they are difficult to control.

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Lawn mowings scattered between the rows of carrots can reduce the effect of carrot fly.

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Centipedes eat insect pests like grubs, slugs and woodlice so don't kill them, unlike millepedes which chew plants and should be controled.

My pictures of plants providing colour / interest  this month

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