Home' Greymouth Star : June 28th 2017 Contents Greymouth Star
In The Garden
6 - Wednesday, June 28, 2017
Lower speeds will remain on the
Picton to Christchurch alternate
route until State Highway 1 (SH1)
reopens, after which speed limits
will be reviewed again.
The NZ Transport Agency consulted on a
proposal to convert the current speed limits
introduced under emergency legislation on
the alternate route after the November 2016
earthquake to permanent limits. This was
necessary because emergency speed limits
expire after six months, but SH1 will not be
restored until the end of the year.
Submissions feedback showed:
Public support for permanent lower speed
limits through most townships where speeds
of 50-60km/h were proposed.
Limited public support for permanent lower
speeds on the open road where speeds of
80km/h were proposed.
General support from councils representing
communities, and groups representing
motorists and the freight industry until SH1
is restored, but several requests for speed
limits to be reviewed again once SH1 is fully
Reverting to pre-earthquake speed limits on some
parts of the alternate route while SH1 remains
closed would be irresponsible given the ongoing
road safety risks. The Transport Agency has
instead made a bylaw to keep the current speed
limits in place, but will review them again once
SH1 becomes fully operational.
Proposals included a section of the Lower Buller
Gorge and SH7a towards Hanmer not included
in the emergency rule. These proposals received
low support, so speeds will not be reduced on
You can find out more at www.nzta.govt.nz/about-
Picton - Christchurch
Lower speeds on the Picton to Christchurch
alternate route until State Highway 1 reopens
Glasshouse expertise and how to save money in
your veggie garden feature in the June edition of New
The magazine also looks at 40 ground covers, how to
make a DIY sweet pea tunnel, grow trees for firewood
and has a recipe for home made baked beans.
A colourful D unedin garden also features.
To win a copy send your name, address and daytime
phone number to. —
New Zealand Gardener
or e-mail email@example.com
Entries close on July 3.
ave you noticed
that, just as there
are fashions in
plants, there are
hot products or
tips that promise
Some old ones are invaluable, like
rotating vegetable crops to minimise
Others are not quite so great: salt kills
weeds like dandelions if applied to cut
roots but too much can damage nearby
plants and it takes forever to get rid of
oxalis by spraying with baking soda and
A recent trend has been the
promotion of coffee grounds as a way
of jazzing up soil by adding minerals,
increasing good bacteria and improving
the pH of the ground.
Coffee has been grown in New
Zealand for more than 150 years, with
an Auckland nursery advertising plants
for sale in 1866, although it did not
really catch on until a few years ago.
There is now at least one commercial
coffee grower in Northland and in
frost-free areas plants are increasingly
popular as garden shrubs or hedging.
In chillier regions, coffee can be
grown as a large indoor plant — Greggs
used to have one in its Dunedin office
— with Coffea arabica the species
The work involved in preparing the
cherries for roasting sounds daunting
but the starry flowers are sweetly
perfumed and could justify growing a
Coffee consumption continues to rise,
although we drink less than a quarter of
the quantity the Finns, the world’s top
consumers, get through.
Surprisingly, the United States
ranks well down the top 50, at No 22,
Australia is No 28 and New Zealand
squeezes in at No 47.
All those grounds need to go
somewhere. Are they as useful as
Coffee grounds can improve soil
structure (tilth) or be used as a mulch
to deter weeds.
As their pH is 6.5-6.8, which is more
or less neutral, it makes coffee grounds
useful in situations where a more
acid or alkaline soil is not desirable.
However, some studies suggest this may
change as the mulch rots down.
Being approximately 2% nitrogen,
coffee will add that essential element
to the ground or compost heap but an
Oregon State University study says that
it is not a fertiliser and recommends
adding a nitrogen fertiliser when
working coffee into the soil.
Whether coffee grounds improve
germination and growth of plants is
Studies have shown some plants,
such as lettuce, do not take kindly to
being sown in potting mix with coffee
grounds added, while others report
better germination in sugar beet and
improved growth in cabbages.
The problem is that these studies have
been done in controlled laboratory
situations, not the conditions in which
gardeners work, but it is clear that —
used in moderation — coffee grounds
can be useful.
And cafes are usually happy to get
rid of coffee grounds by giving them to
Gillian Vine has a gardening blog
Coffee berries or cherries ripen in December or January.
Coffee grown as an espalier in a small garden.
coffee with Gillian Vine
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