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Volunteers' Blog - June & July 2022
The warm weather we have
experienced this summer has
been a blessing to those of us
volunteering in the garden.
Compared to those living in
the south of the country our
grass is a little greener and
the heat welcome but mostly
not oppressive. The Garden
has looked wonderful,
particular mention must be
made of the splendid spires
of the Echinops and the
wildflower meadows. However, what is good for
the plants is also true of the
weeds. Keeping on top of
their growth has been a
major preoccupation of those
of us working outside. The
paths and pavers have been
regularly tidied, particularly
around the Prince Bishops
Garden area, and
deadheading is a weekly
activity.
Elsewhere we have continued
to work within the fossil bed,
opposite the entrance to the
glasshouses. The horsetails,
Equisetum, certainly enjoy
the damp shaded conditions in this part of the garden and have spread to obscure many of
the ferns that are also present. We have therefore been working, to not only remove the
weeds, but also curtail the horsetails dominance in this area.
Our major project over the past two months has been to remove as much of the Himalayan
balsam, Impatiens glandulifera, as possible from the Garden. Google informs me that
Himalayan balsam was introduced, along with giant hogweed and Japanese knotweed, in
the early 19 th century. The three species were advertised as having ‘Herculean proportions’
and ‘splendid invasiveness’. The seeds were relatively cheap, certainly when compared to
more exotic plants such as orchids, and widely planted by gardeners wanting something
new and unusual to impress their friends and neighbours. However, within a few years the
plants had escaped from the confines of people’s gardens and quickly spread. All three
species found the water courses, the streams and riverbanks, of the UK an ideal habitat. Himalayan balsam is now regarded as an Invasive Alien Species throughout Europe and
North America outcompeting native species and causing erosion of riverbanks.
Working with Peter and his
team, and augmented by many
Friends not normally part of
the Volunteering group, we
worked over a number of days.
It only took a short while to get
our eyes in, the number of
plants found far exceeded our
earlier expectations. Pulling
the plants, roots and all, before
they set seed ensures that
both this, and the next
generation, were removed
from the Garden. Large piles
of this invasive plant quickly
accumulated on the paths
surrounding the meadow, to be picked up by the Gaitor truck for disposal off site. Areas
tackled included the side of the Cherry Circle, where we had made some progress in
eradicating this weed last year, the American arboretum and appropriately the Himalayan
dell. No doubt some will have escaped our attention but the presence of Himalayan balsam
within the Garden has, for the time being, been severely curtailed.
Towards the end of the month there
was another visit by the
Northumberland in Bloom judges.
Again, the Volunteers were on hand to
tidy the garden and provide a presence
during the judges visit. We trust they
found the Garden as impressive as
usual on their visits.
Alex Taylor.
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