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Flower Bed
Making A Border
The garden can generally be broken into several basic
components, such as lawns, paths and that with which we are
concerned here; the border.
The classic building block of the garden is a Herbaceous or
Mixed Border.
A border is the premier way to display the most flowers per
square metre in a garden.
Preparing it in the best possible way will ensure that it puts on
the best display.
There are three classic types of border; the Shrub Border,
Mixed Border and the Herbaceous Border. Each requires in
increasing order more preparation and maintenance.
For all types of border you can invest a varying amount of effort
into the preparation of your soil prior to planting. The amount of
work you undertake will depend on the time you have to invest
in digging and the quality and type of the soil to start with.
© Garden Cottage Nursery, 2021
The main work of soil preparation is digging by hand, with a
spade, machine rotavators give greatly inferior results.
This work is easiest on a flat, rectangular site with a fairly light
soil that is not too wet and relatively free of stones and roots.
For the basic method of digging a border outlined here you will
require:
•
A good, sharp stainless steel digging spade *
•
A strong digging fork *
•
A stable wheelbarrow
•
If there are many large rocks or roots in your soil:
•
A mattock †
•
A pinch bar ‡
•
Scaffold planks
•
String and some bamboo canes
•
A strong back or good chiropractor
* Digging spades and forks are the normal broad bladed types,
a ‘border spade’ has a narrow blade and is useful for planting
and particularly, lifting plants in confined situations.
† A mattock is a kind of pick with one vertical axe-like head for
cutting roots and a horizontal adze-like head for prying.
‡ A pinch bar is a heavy solid steel bar with one pointed and
one flattened, wedge-shaped end, it is used for prying out
difficult to shift big rocks.
Digging improves the soil by allowing the incorporation of
organic matter, fertiliser and if desired, lime, breaking down
heavy clods, relieving compaction and to bury annual weeds
and expose pest such as leather jackets to predators like robins
and blackbirds, who will soon join any digger.
In an already good soil for a shrub border single digging is all
that will be required, that is the soil is dug to one spade depth (a
spit) and forked over with some well rotted manure or similar
organic matter to add goodness to the soil, improve water
retention and open the structure. Once dug a shrub border
cannot be easily re-dug so it is mulched thereafter with organic
matter (manure or seaweed for feeding, bark for just weed
suppression and moisture retention) to restore fertility and to
suppress weeds.
The method below will suffice for most herbaceous and mixed
borders.
A heavy (soil one with texture like clay) is best dug in autumn
and left to be broken down by frost over the winter and planted
in spring.
A lighter soil (one with a sandier texture) is better dug in the
spring, and can have manure spread over the surface in the
previous autumn allowing the earthworms to distribute it over
the winter.