
These sections are updated regularly with all of the answered questions that pass through the Gardeners Club, so click back and check each section periodically for future assistance in your garden.
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Questions & Answers - Ponds
Blanket
Weed
|
From:
Paul H, UK |

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How can I prevent blanket weed in my pond, I am currently trying
to use Barley but I would rather not have to use this at all? |
 |
From
KoiObcession, UK
As you may guess i'm an avid koi keeper. blanket weed is caused
by algae, the food source being sunlight and natural pond nutrients.
it gets worse when a UV is used, by killing the algae that causes
green water you free up a food source for it. 3 effective ways
to get rid (1) let your water go green (the fish prefer this,
though you wont!) (2) the electronic controllers work, though
(a) dont expect instant results if you have a problem & (b)
filters need to be cleaned more often as the degraded weed will
block them, or (3) a product called KUTSURI ECOPURE, its a bio
enhanced clay that starves the weed. can take a while to work,
but once on top of it its cheap, clean, natural and helps keep
your water in good nick! available from all good aquatic (koi)
outlets.
From Chris, UK
I have found that blanket weed comes intermitantly some years
so you may not get it. I don't tend to get it in my pond anymore
as I have a biological filter and a UV filter. Although the only
way of getting rid of it if you haven't got filters is to use
a support cane and wind it round the blanket weed and pull it
out of the pond it's laborious work but the only alternative.
From Alex M, UK
Paul have a look in ; http://www.rhs.org.uk/advice/mn_algae.asp
and I think you might find what you want.
From Mr Clark, UK
I think they use carp course fish at the various spas to get rid
of it in the natural way!
From Shirley
HI Paul, I am having an awful problem with this too. There is
an electronic device called the Blagdon Electronic Weed Killer
and it is about £65 if you get it at a garden centre but
I did see it on the web the other day at www.aquatics-online.com.
It was only about £45.00 there. Hope this helps. Good luck
and let me know if it does. Regards, Shirley..... Learn something
new every day
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|
| Bog
Garden |
From:
Gill E, UK |

|
I wish to create a small bog garden around one side of my fish pond,
but I do not know which plants would be ideal. My garden is small
so the plants must not be too tall. The pond is half way down my
garden.
|
 |
From
CK, UK
Acorus gramineus 'Variegatus' grows to approx 8-12" and is
an attractive green/gold evergreen with long, strap-like leaves.
It seems to be widely available as is a white-variegated one. You
could try planting groups of 3 of each. Or how about the exotic
looking Arum Lily, Zantedeschia aethiopia, which is also hardy but
not evergreen and grows up to 3ft by 3ft. A smaller alternative
is the bog Arun, Calla Palustris (h10")The white spathes produced
in Spring are followed by red berries. The water forget me not,
Myosotis scorpioides 'Mermaid' (h6"). Whatever you go for try
to achieve some textural contrast. In the border, Zantedeschia looks
fabulous planted next to Crocosmia 'Lucifer' for example. Good luck,
CK.
From Alex M, UK
Hi Gill, I put your specifications into some software I have and
it came up with the following list:
Yellow Archangel (Lamiastrum galeobdolon)
Carpathian Harebel Bellflower (Campanula carpatica)
Carpathian Bellflower 'White Clips' (Campanula carpatica)
Double Flowering Marsh Marigold 'Flore Plena' (Caltha palustris)
Fairy Slipper (Calypso bulbosa)
Carex siderostica 'Variegata'
Roman Chamomile (Chamaemelum nobile)
Water Foret-Me-Not (Myosotis scorpioides)
Louisiana Hybrid Iris (Iris x louisiana)
Bethelem Sage 'Pink Dawn' (Pulmonaria saccharata)
Piggy Back Plant 'Taffs Gold' (Tolmiea menziesii)
Hope this helps, Alex.
From Alan B, UK
Hi Gill, you can plant some lovely plants around your pond, eg Astilbe
'sprite pink' 1ft tall, 'lilliput' pink 6in tall, Cardamine Flore
Pleno is a good choice. There is also a small Gunnera 'magellanica'
which is no more than 3in high with red flowers, as well as Primula,
Lobelia and lots of well known plants that put up with wet feet.
Hope this helps. Alan B.
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Bog
Garden
|
From:
Gordon D, UK |

|
Hi there, any one any suggestions if i can turn a concrete fish
pond approx (3mx5m) into a bog garden. |
 |
From
Michael Barratt, the Gardeners Club resident gardener
The concrete pond can be used as a bog garden provided the screed
is broken to drain excess water. A bog garden obviously needs to
be wet, but at the same time not flooded. A mix of organic matter
and loamy soil will be needed to ensure ideal growing conditions.
From Mr Clark, UK
Might I suggest you go to your local libray and research your garden
from there. Look for hardy, rain forest plants.
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Eucalyptus
Tree
|
From:
Roy, UK |

|
I have a pond and my neighbour has planted a eucalyptus tree at
the other side of his fence which is a about 2 feet from my pond.
Does this pose a threat to it? The pond is lined with butal.
|

|
From Michael, UK
The answer to your question is YES!!!
I love eucalyptus trees but anyone with any good common sense should
know better than to plant them that close to ANY fence regardless
if there is a pond in the vicinity. They grow very rapidly and will
do two things in future.
First, they will probably damage the fence depending on what material
it is made of due to the spread of the roots. Second, those spreading
roots will surely find their way into the side of your butyl pond
liner. As a rule, trees should never be planted near sides of ponds
that are made with butyl liner as they will eventually puncture
it. Eucalyptus trees grow a lot faster than your ordinary common
garden trees.
You will also find a problem with the autumn leaves if it decides
to shed any into your pond and you have fish. The oil in the leaves
will probably leave a slimy substance on the surface of the water
and not good for any fish unless you like picking them out with
a net every day.
Ask your neighbour if they intend on keeping the tree well pruned
as it's grow can be prolific in just a couple of seasons. Good luck!
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Fish
|
From:
Carole C, UK |

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I have an elderly friend who has moved house and feels he can not
cope with a pond in his garden so he has offered me the fish before
he fills the pond. My pond is six foot by six foot and 18"
to 3 feet deep, does anyone know how many fish this should support.
|
 |
From John and Lisa H, UK
You need to know what sort of fish they are first, as you can keep
twice as many goldfish in any given area as you can koi, for instance.
Also, does your pond have a filter, and how big? Your pond is a
bit shallow for koi, but you might get away with a few as long as
you have good filtration.
From Alex M, UK
Try looking at this page: http://www.gardenlinks.ndo.co.uk/water.htm.
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Green
Water
|
From:
Daniel C, UK |

|
I have green water and want to know if it is right that barley straw
and the wifes tights work! If so where do you place it - near the
pump? Or will anywhere do? Also is it placed above the water or
below?
|
 |
From Keith R, UK
Hi. I've had the same problem and I invested in an ultra violet
light. Now I have water that is crystal clear. Good Luck
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Natural
Water Garden
|
From:
John R, UK |

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I would like to know how to design and populate a natural water
garden. Please can anyone advise and help. |
 |
From Alex M, UK
Try looking in :
http://www.rhs.org.uk/science/horticultural_themes/mn_aquatics.asp
- this coupled with the links should get you what you require. Best
of luck.
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Planting
Suggestions
|
From:
Roz, UK
|

|
What would you suggest to grow in/around a pond, under a
tree which doesn't get a lot of rain? |
 |
Depending on the level of shade around the pond will determine
which plants are suitable, but try these to start with.
These will take partial shade:
Dicentra exima, Berberis, Iberis sempervirens, Sambucus,
Aquilegia, Hydrangea macropylla, Geranium sanguineum, Mahonia
aquifolium, Pacysandra, Hamamelis, Vinca minor, Hosta, Astilbe
Pond plants:
Acorus, Glyceria, Iris pseudocorus, Mentha, Mimulus, Myosotis,
Ranunculus Lingua, Scirpus albescens, Veronica beccabunga
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|
Pond
Liner
|
From:
John B, UK |

|
What can I use to repair a small crack in a hard 'plastic' pond
liner? Any ideas? |
 |
From Chris, Manchester
I found model makers "Lillyput" to be very good sealing
around the hole i had made in my pond for the cable to my pump,
it's a two part epoxy putty that dries rock solid, no worries!!
From Richard L, UK
If the liner really is plastic and not fiberglass, then use a
heat gun and flat bladed bent (cheap) screwdriver. Heat the area
and especially the screwdriver, and use circular movements to
flow the cracked areas together. I use this technique all the
time to join drain pipes, etc and I have built my ponds sewage
system this way to join a header tank to a sewage pipe. Must be
a thermo plastic though - most are. Failing that, just put in
a cheap (or expensive liner) - problem solved. Richard
From Steve P, UK
Hi John. In answer to your question about a cracked hard pond
liner, if you contact your nearest stockist, they should be able
to supply with a special repair kit - similar to a fibreglass
and resin kit that you can get to repair car bodywork. Ofcourse
the car body repair kits are not suitable for the job, but as
I say your stockist will point you in the right direction.Good
luck.
From Peter C, UK
I'm not sure how to repair them... but PVC lorry and trailer sheets
can be substantially repaired with strips of PVC, special cement
or adhesive... but you need a heat gun and roller to make permanent
long lasting repairs
From Alex M, UK
Most DIY shops will stock 'fibreglass ' repair kits. One piece
of advice when using it, ensure the surface you are applying the
repair to is thoroughly cleaned & rubbed down otherwise you
are wasting your time. Best of luck.
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Pumps
|
From:
Nick, Avon |

|
Could anyone tell me the best place to purchase pond pumps in the
Avon area? |
 |
From Ian F
Hi. By the Avon area, I'm not quite sure where you mean. I live
in Wilmcote, very close to Stratford upon Avon. I bought a very
good pump at Webbs of Wytchbole. Unfortunately it packed up but
they immediately replaced it with the latest model with no grief
at all!! The very best customer service I have ever seen. Hope this
helps.
From Alex M
Contact any of the following and ask for local supplier:
http://www.budget-aquatics.co.uk/products/pumps4.htm
http://www.diamondbygsw.com/fpkits.html
http://www.cheappumps.com/
From Carey O
Hi. Try the Cadbury Garden Centre in between Congresbury and Yatton.
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Snails
|
From:
Alan, UK |

|
The snails in my pond disappeared about 3 years ago - the pond takes
the overflow from the water-butts. In case this was too acid, I
put a lump of concrete in the pond. I put a coffee-jar full of snails
in 2 years ago - they also went. The pond is home to many frogs
& newts and is covered with duckweed. Any ideas please?
|
 |
From Michael, UK
Frogs are eating the snails mate..sorry
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Tadpoles
|
From:
Jan & Ben, Northumberland |

|
We have a 1/3rd acre garden and our latest venture is a pond. We
are busy at the moment sorting out planting which is quite a task
as the pond measures approx. 7metres x 4metres x 1metre deep with
several ledges under water. As it is so big we would like to introduce
some fish, but this we year we had several hundred tadpoles of which
quite a few have turned into frogs, obviously we want fish in the
pond that will not eat the tadpoles in future as we do expect them
to return - can you suggest any? We also have a cat and would like
to know if she is likely to try and eat the fish - if she does she
will get very wet, but are there any preventative measures which
we should take - we live in Northumberland. Thanking you in anticipation
|
 |
From Fiona, UK
Basically the tadpoles are an instant food supply for any fish.
If the pond is big enough then both will survive alongside each
other as the numbers of each adjust naturally to their surroundings.
If you do not introduce fish then they will come into the pond anyway(!).
Small fish such as minnows and sticklebacks can be introduced if
you take a bucket of sediment (plus some water) from a local pond.
I am sure if you contact the Northumberland Wildlife Trust they
might be able to tell you of a suitable pond that is being "managed"
- this could help you out. If it's exotic fish you're after then
a Grey Heron will more likely or not pinch them at some point anyway!
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Waterfall
design
|
From:
Derrick D, UK |

|
I am looking to build a pond and waterfall in my garden. Has anyone
got any good designs they would like to share, although I am quite
happy to pay a small fee. Also, where can I buy a rock waterfall
instead of an imitation one? Many thanks
|
 |
From Shirley D, UK
Hi Derrick, I have a waterfall stream and pond in my garden and
can send photos if we can correspond through email addresses. Let
me know if this helps. Getting rock shouldn't be a problem, just
expensive. I can also let you know what not to use from my own experience.
Cheers
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Waterfall
& Sump
|
From:
Ian, UK |

|
Hi, I would like to construct a cascading (3 pools and sump) water
feature. I am unsure as what to use to seal the rocks between the
pools to stop unwanted leaks and the sump overflowing. Many thanks
in advance.
|
 |
From Rick, UK
I have done this with my own pool and waterfall and sealed between
the stones with normal cement, made up with a waterproofing liquid
additive from my local DIY store. It has lasted 4 years of Scottish
winters so far...!
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Water
Lillies
|
From:
Nick P, UK |

|
Hi, do you know of any websites where I can buy a dwarf hardy water
lily.
Probably a daft question - but if you can help I would be very grateful.
Thanks |

|
From Alex M, UK
Hi Nick, look in ;
http://www.rhs.org.uk/rhsplantfinder/plantfinder2.asp?crit=Nymphaea&Genus=Nymphaea
I think you should find what you want there..........A
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|
 |
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