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Prevent Frost Damage To Plants

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Prevent Frost Damage To Plants

By: Rick Skew

A frost takes place when the temperature drops below 32 degrees Fahrenheit or 0 degrees centigrade. It is damaging to plants in two ways, water is rendered unavailable to plant roots and the cells of sensitive plants are ruptured. These dangers are linked with the severity and duration of the frost as well as the constitution of the plant, in Britain we leave our Roses unprotected over winter, whereas in some areas of Scadinavia and N. America straw or sacking protection is essential.

Late spring frosts which occur after growth has started are the most harmful of all. The danger signs are clear skies in the evening, a northerly wind which decreases at dusk and a settled dry period during the previous few days. The risk to a plant is reduced if there are hanging branches above, other plants around, heavy soil below and the coast nearby. In frost-prone locations avoid planting fruit trees and delicate shrubs. Give some form of winter protection for choice specimens.

Frost pocket: A frost pocket is a place this is abnormally susceptible to early autumn and late spring frosts. It occurs where a solid barrier exists on a sloping site, replace this with an open barrier which allows air through. A frost pocket can also be formed in a hollow in the bottom of a sloping position.

Wind: The spectacular effects of a gale are renowned, broken branches , knocked-over pots etc. But the consequences of persistent winds are less well known, lop-sided plants due to the death of buds on the windward side, and underdeveloped growth due to the cooling and drying effect on the growing point. On exposed sites a windbreak might be necessary, but never use a dense screen. A wall or closed fence will create down-draughts on iether side and plants are going to be harmed. A hedge, on the other hand, will gently reduce wind speed for a distance of 15 - 30 times its height.

Rainfall: An average annual rainfall is 34 inches in England. Unlike some other areas of the globe there is no distinct rainy season, but October to January is normally the wettest period. The driest region is the Thames Estuary (20 inches), the wettest spots are the mountains of Wales and Scotland (175 inches). The U.K record, however, belongs in the Lake District (275 inches) in 1954 at Springkling Tarn.

A drought is a period of 15 consecutive days with no measurable rainfall, and droughts do occur at fairly regular intervals in Britain. Thorough watering is necessary at such times, or else plants will suffer or die. Snow is certainly a mixed blessing, a blanket of snow can protect plants which would well be damaged by arctic-like winds, but heavy snowfalls can damage or break the branches of evergreens.

Altitude: The height of a garden has an effect on the general climate. For every 600 ft. increase in altitude, an average annual temperature drops by 2 degrees and the start of the growing season is delayed by 3 days. Solar energy decreases whereas both rainfall and wing speed intensify.

Article Source: http://articles.tiptopweb.info

A fantastic quantity of my time is spent in my garden, but as I am getting older and things are getting harder to do. I have decided to use a firm called Landscape Gardeners. Up to now they have given me all the help and advice that I have asked for. I still do a bit of pottering around my own garden.

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