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September 20, 2025 20 mins

On The Garden Hour with Pete Wolfkamp and Ruud Kleinpaste Full Show Podcast for September 21st 2025, Ruud talks about the effects of mulch round your trees, how to prepare your lawn for sewing wildflower seeds, and how the pH of your soil will affect the critters living under the surface.

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Speaker 1 (00:06):
You're listening to the Resident Builder podcast with Peter wolf
Camp from News Talks.

Speaker 2 (00:12):
I can imagine bump. Yeah, yeah, I went on a boat,
of course. I was on Morde Island right and offshore
island in the Marlborough sounds predator free by the way,
absolutely fabulous with kids all over the place and d
but you know that also had a day of serious wind.

(00:33):
That was awesome. That was really great. But no, it's
it's looking absolutely stunning at the moment. I don't know
what the heck's going on there you are.

Speaker 3 (00:43):
It'll come.

Speaker 2 (00:43):
No, it's been, it's done. But it wasn't It wasn't
that bad, to be quite honest. No, it doesn't matter.
I'm quite honest. All right.

Speaker 3 (00:51):
Yeah, good, I'm pleased you're happy. That's important to me.

Speaker 2 (00:57):
Do you know where I'm going to be next week?
Talk to me? Do you know where I'm going to
be next week at this time?

Speaker 3 (01:03):
Uh Auckland?

Speaker 2 (01:05):
Yeah, and studio.

Speaker 3 (01:06):
Oh that'll be great, that'll be great. You know it's
staylight saving eight next week, I know, mate. Yeah, all right, well, look,
if you're up for it, we might go for a
coffee afterwards.

Speaker 2 (01:17):
Oh gosh as well? Oh no, goodness. Yeah, I'll see
what my granddaughter says.

Speaker 3 (01:21):
See how you, buddy, let's get into it actually quick ticks.
Can you kill a cofi tree by spraying round up
on the grass and weeds at the base of the tree.

Speaker 2 (01:31):
Yes, you could, especially if it goes too deep into
the soil and onto the root zone. Why don't you
use hitman. That will literally and you have to maybe
do it twice or three times around there. But the
point is that stuff doesn't go that far away, so
you're probably better to do that in a general what

(01:52):
do you call it? A bit of a careful amount,
don't go over the top.

Speaker 3 (01:57):
Yeah, there's other options too. If you moult around the
base of a tree, then that X is a weed suppressant, so.

Speaker 2 (02:02):
Yes it does. That's another one. But if you really
want to get rid of someone, sure some of these
things are the base for your tree. But do it
gently and by the way that hitman works, especially on
the day like today here in Gratis, would work in
about four hours.

Speaker 3 (02:16):
Right, excellent, right here, Morris, Good morning.

Speaker 4 (02:22):
Yes, good morning guys. Can I share some information about
medics two and medics three with you? You go, I've
I used medics two about five or six years ago
with good success. A sixty mill bottle was about seventy
or eighty bucks, and so dilute it down to a

(02:43):
one lead. I had to go to the chemist to
get a formula and I needed an eye droppers, So
it's pretty pretty valuable per drop. Now you're saying Medics
three now, which was the commercial version of Medici two,
who was a diluted thing. Now I've been talking to
key industries who I've spoken to over the years trying

(03:06):
to buy Medics too, and I've found a distributed on
the North Shore. Now there's no Medics three in the
country at the moment it comes in early October. Evidently
it'll be one hundred more bottle, one hundred and ninety
dollars correct, and the distributors retailers are saying that there's

(03:26):
a minimum order they have to buy, so they probably
won't be stocking it. It also has to be kept.
It also has to be kept in the fridge at
five degrees to extend its life.

Speaker 2 (03:41):
Yeah, or in my case, in the freezer.

Speaker 5 (03:44):
Go on, yeah, freezer.

Speaker 4 (03:46):
It lasts longer. Evidently much better, it longer. But when
you open the bottle, it's only got a shelf life
of twenty two twenty two months. I think if you
keep it in the fridge. Now they're suggesting you share
it with your neighbors, but then you lose control over

(04:07):
whether they keep it in the fridge or not.

Speaker 2 (04:09):
So well, it's just I get your point. I know
exactly what you mean, because I talked to Key Industries
as well about this some time ago, and again a
couple of weeks ago. Even the Medics three is, of course,
is the the original version of medics sewers for the gardeners,
and it is quite expensive because it's made of a

(04:30):
Granulo's virus, a virus that kills coddling moth right correct,
And as I said, I've got a couple of these
medics two bottles still in the freezer that I've had
for about four or five years. I just asked them,
you think they're still okay? They reckon it still is,
so yeah, well I have to have a go this year.

Speaker 4 (04:50):
Yeah, because if you I'm sorry, I'm interrapting. But if
you use that, if you use it, you don't sign
out for a year, and then you've lost a year,
haven't you. That's like I've still got some medics two
from yester year, but I'm lost two and to you?

Speaker 2 (05:09):
Did you have it in the freezer?

Speaker 1 (05:12):
No?

Speaker 4 (05:12):
I kept it in the fridge.

Speaker 2 (05:13):
Okay, Yeah, and then you're probably only maybe two years
or so of efficacy. That's about it.

Speaker 4 (05:21):
That the open is that I have to open the
bottle or manufacturer.

Speaker 2 (05:27):
I reckon. If you open the bottle and put it
into your into your sprayer. You do this and immediately
back into the freezer. Should be fine as far as
I'm concerned. Yeah, and I've done that for five years
already with that stuff.

Speaker 5 (05:40):
Okay.

Speaker 4 (05:41):
Now the cost the cost of it, now I was
going to be prohibitive to the home gardner. It's yes,
So what do you think about it? The ass products
success ultra.

Speaker 2 (05:56):
Success, oh success, yes, uh yes, I suppose that would work,
but it would not be as easy and as african
efficient as the as the medics that that particular virus
that kills that particular Yeah. Yeah, but you can ever go.
I'm quite sure you'll have some. You'll have a reasonably

(06:16):
good success with that. Why not?

Speaker 5 (06:18):
Yeah?

Speaker 4 (06:19):
So well, well, the medics three at one hundred and
ninety dollars for one hundred mil. Yeah, that should last
two or three years. But that's I mean one hundred
and ninety dollars worth of apples. Is I know?

Speaker 2 (06:34):
I'm aware of that. Yeah, yeah, it's and that's why
it's it's they tried the medics too as a thing
for gardeners. But you're right. The amount of the amount
you pay for it is quite long, to be quite honest. Yeah,
it's been around for decades, by the way. Go on.

Speaker 6 (06:50):
Yeah.

Speaker 4 (06:51):
The only reason I ring is that you. I listen
to you every Sunday. You're part of my religion.

Speaker 2 (06:57):
Have you got nothing better to do with your time?

Speaker 1 (07:00):
No?

Speaker 4 (07:00):
No, I went interesting yesterday Sundays for you.

Speaker 2 (07:04):
Oh, thank you? Do you hear that? Oh?

Speaker 4 (07:10):
Let you go os. I just thought because you're always
saying medics three, medics three, medics three, and people go
up and you can't buy it. And then when you
went in the shop and they asked you for your
gold card, will you run home and get the wife?
I suppose I.

Speaker 2 (07:24):
Don't know, Yeah, listen, I did not know. Did you
sayes know that Medics three is also not yet in
the country.

Speaker 4 (07:32):
No. I spoke the King Industries during the week. They're
expecting a shipment and so, and there was a place
over the north Shore who used to buy it from
and they no longer they no longer be going to
stock it because of the cost.

Speaker 2 (07:47):
So Medics three are based in Auckland, so you can
actually go and see them there. I'm quite sure you
can do it on the north Shore.

Speaker 4 (07:53):
No, they won't sell to me. They asked them.

Speaker 2 (07:58):
You tell them they're Dutch.

Speaker 6 (08:06):
Right, are they out of here?

Speaker 5 (08:10):
I'm gonna change the radio station.

Speaker 3 (08:16):
Around shut right, Hey, Grant, talk to me about your
cofi tree.

Speaker 4 (08:23):
Yeah, good morning.

Speaker 7 (08:25):
I have quite a lineup of coor trees that are
getting full of a borer branches snapping off, and appears
there's in the golden elms as well. Any ideas of
what the.

Speaker 4 (08:37):
Hell of it?

Speaker 2 (08:39):
No, I don't know without looking at it. If it's
if it's really makes those tunnels in the wood. Is
that what it is? Yes, Yeah, it could be. It
could be any of a couple of borer beetles that
I know. And they're quite large, well, quite nice. They
were a couple about five mills or so deep, aren't they?
Or of diameter?

Speaker 4 (09:00):
Very destructive?

Speaker 7 (09:02):
Yeah, okay, And initially I started to feed like a
guitar whire up on stab.

Speaker 4 (09:07):
But there's that many of.

Speaker 2 (09:08):
Them, there's too much. Okay, there's another thing that you
could do, I suppose, and that they have a sprayer
with a very fine nozzle and go into all those
holes with a little bit of it. You know what
I mean? It is It depends entirely on what it is,
because sometimes those particular holes were from last year and
there's nobody home. But it's probably better to do more

(09:29):
than less, you know what I mean.

Speaker 7 (09:32):
Yeah, Okay, have a go.

Speaker 2 (09:35):
Yeah, absolutely, get you made.

Speaker 3 (09:37):
Bye bye olivery bussy, Thank you very much for that grant.
And we'll take a break. Actually, then we'll take the
suit and talk to suit. We'll be back and see
your news. Talk be Sue A very good morning.

Speaker 6 (09:53):
Yes, good morning, good good morning, rud.

Speaker 2 (09:57):
Hello.

Speaker 6 (09:59):
Now I have been drigging my bitch, my gab and
where I live for many years, and for several years
I have noticed a worm that is a source of
a light brown rather than a long sort of pinky earthworms.
And when you dig it up, it ties itself up

(10:20):
and there not is do you know what that worm is?
And useful or not?

Speaker 2 (10:28):
Well? There you have to remember in New Zealand. We
have but at least thirty or forty different species of
earthworm in New Zealand. And I think I know what
you mean, but I can't tell you exactly what species
is this, and I'm quite sure it's something that's been
here for a while. Some of these worms do that automatically.

(10:50):
They go straight into a ball if you like, they
worm themselves up. I don't think there's any problem with that.
That's just their way of making sure they're okay and
they're not being eaten by anybody else.

Speaker 6 (11:04):
Okay, well that sounds all right, long as it's not
doing any damage my garb. That's what I was thinking of,
because I don't it's only in one part.

Speaker 2 (11:14):
Of my garden nowhere, and that could have something to
do with the p H, with the acidity in your
soil in that particular part of the garden, or about
whatever was planted in the past, and they like that
particular material. See, they all have their own little They
only have their little gig to do.

Speaker 6 (11:32):
It's right. Thank you for that.

Speaker 2 (11:34):
You are more than welcome.

Speaker 6 (11:37):
Thank you.

Speaker 2 (11:41):
Remind remind me of well, who is the people that
have that stuff against borer beetles. I've forgotten their name.

Speaker 3 (11:48):
People that don't like beetles or.

Speaker 2 (11:50):
No, the ones that that you do when you've got
borer in your house.

Speaker 3 (11:54):
What what like the old bora bombs or something like that.

Speaker 2 (11:56):
Yeah, but what what what? What? What is the material that
I was talking about with the aircraft dis in section?

Speaker 3 (12:01):
I forgot the paris.

Speaker 2 (12:04):
Yeah, yeah, that's it now somebody asked about the borer beetles.
This thing you can use safe works of course as
well in trees, you know. Ah, yeah, there you go, okay, perfect, perfect.

Speaker 3 (12:17):
I was going to say, generally worms are considered a
sign of good health in a garden, aren't they absolutely?

Speaker 2 (12:23):
Because they they literally they air rate the soil, they
do all that sort of stuff. But they also take
on organic material to deeper levels, so they actually do
the work for you.

Speaker 3 (12:33):
Right, Yeah, isn't they. They consume and drag that material
down deeper into the well.

Speaker 2 (12:40):
They take the organic material, they it goes through their
system and they pop out all the compost, which is wonderful.

Speaker 3 (12:48):
Yeah, awesome, awesome. Hey Peter, good morning to you.

Speaker 5 (12:53):
Hey, question for you, rude. I've got some of those
trade tasted potato baggs. Yeah, and I've got a I'm
gonna have a go out them this year, and I've
got a bale of outstraw tu mult around strawberry. What
a big good idea to put a layer of straw
in the bottom of the bags.

Speaker 2 (13:11):
Why would oh? Oh yeah if that if that's what
you would like to do, Yes, I expect that the bags.
Bags do have some holes in them.

Speaker 5 (13:20):
Yeah they say they're like they're a recycled bit of plastic,
but they like a felt type material.

Speaker 2 (13:28):
Okay, so there's stuff that the water does can get out.

Speaker 5 (13:32):
Yeah they say they breathe, but yeah, I was just
wondering if that would help. Yeah.

Speaker 2 (13:37):
Yeah, you can put a little layer of that on
it and then you know your normal, your normal if
you like potato stuff in there, you know your your
your soil. Yeah, good, of course.

Speaker 5 (13:48):
Well I'll have a go and see how it goes.

Speaker 2 (13:51):
Anyway, thank you, Yeah, good luck with that, no.

Speaker 3 (13:53):
Problem, Take care then, all the best and Lindsey, good morning.
I speaking oh Angie.

Speaker 8 (14:05):
Sorry, Yeah, I from Waka and Otago. Feeling very happy today.
I'm wanting to find to know how should I prepare
the soil to grow some wild seed flowers.

Speaker 4 (14:21):
The wild seed should I say.

Speaker 2 (14:24):
Well, what I would do in this case is I
would literally get rid of all the weeds that you could,
you know, off the patch where you're going, as much
as you can of all the weeds, and then with
a rake, I would actually make it a bit more mulched,
you know what I mean, make it fluffy right right?

Speaker 4 (14:39):
Put some put composts down.

Speaker 2 (14:42):
Yeah, put some composts in there. You can rake that
in as well. So what I'm trying you to get
to do is to rake the soil, make it a
bit more free draining A and B. When you do
some compost down, it also goes into the holes that
you've just created with your with your rake, if you like.
And then you put the seeds on very very close
to the top. Basically sometimes it doesn't even want to

(15:04):
go that deep, depending on what the plants are that
you're going to be sewing, and you will make it
nice and friable, and then the seeds have such a
quick way of getting down into the ground that'll be brilliant.

Speaker 8 (15:18):
Awesome, Thank you very very much.

Speaker 2 (15:20):
You are more than welcome. And make it flowery, okay.

Speaker 4 (15:24):
I will.

Speaker 3 (15:30):
One of those things. It feels like it was something
that was really really popular for a while in terms
of you know, like taking a little patch and do
your wildflower thing, and then not so much now or
am I missing something?

Speaker 2 (15:41):
No, No, you're right. It's something that has been done
for a long long time. And and if you go
to King Seeds, for instance, they've got so many different
varieties of these particular flowers that you can that you
can do, that you can sew and and and work with.
And yesterday I made the same comment with Jack Tame.
I'm not, as you know, I'm not into lawns. But
if you imagine having a flower, a flower lawn, and

(16:05):
all you do is you mow a either rectangular or
whatever shape you wanted. You only mowed a piece where
you want to walk.

Speaker 3 (16:14):
And yeah, I'm with videos.

Speaker 2 (16:17):
And what you're attracting is the bees, the bumblebees, the
native bees, that twenty thirty five piece of native bee,
all that stuff coming to your garden. Great, do it
might be tempted.

Speaker 3 (16:29):
Actually, I tell you the other thing. A little observation
from yesterday. So I was a Nelson for the Home
and Garden Show and I had a bit of time,
so I went had breakfast as I always do at
the Lambretta Cafe, which is delightful. And I took a
drive and kind of just aimed to get lost, and
I ended up driving up the valley towards where the
golf courses and alongside the stream. There I noticed lots

(16:50):
and lots of planting, and then I noticed a whole
bunch of people gathering and planting. There must be literally
thousands of shrubs and trees that are being planted in
there and in fact all around the place. And I'll
tell you what the thought that I had was riots
responsible for this? This is this this community activism. This
is people getting out and making a real change to

(17:12):
the community, something that you've been advocating for a long
long time. And it was just so cool to see
all the new planting and then to see, you know,
it would have been twenty people getting together planting out
another area, and you could see it all over the place.
And we're not just I happened to see it not
in Nelson yesterday, but you can go to almost any
town in the country now and see people actively getting

(17:34):
out restoring those areas, which is just fantastic.

Speaker 2 (17:38):
Did I ever tell you what happened in Bannockburn. So
there's this this group that that does that on the
Kluther River right, that goes through okay, right, but you
can't sometimes get to the base off where the Cluther
River meets the ground, you know, the rest of the thing.
So they use an old Maori treck by having some

(17:59):
floating if you're like piece of wood that it's almost
like like like what do you call it, like a
boat that goes on an angle. And they put the
seeds in that boat and they crashed the boat on
the head, Yes, exactly on the edge of the on
the edge of the Glint River, isn't it neat? That's
an ancient motory way of doing. And I thought that

(18:21):
was just hilarious. It is brilliant. Yeah, and again kids
love it day.

Speaker 3 (18:25):
Oh look, and there was it was there was a
bunch of sort of the older people, the whole bunch
of kids out there, and I just sort of drove
by and saw them, you know, working away. And there's
obviously a bit of a structure to the organization that
provides the trees. They were all nicely protected, you know,
in terms of a little cylinder around them stops them
getting covered in weeds. And rats and that sort of thing,

(18:46):
and and that area will be transformed. It really is.
It's absolutely stunning. Right, very very quick question from Sandy.
We're talking to Hello Sandy.

Speaker 4 (18:59):
Oh, well, I I was just wondering what theating the
tips of these are tree and the Freegio tree.

Speaker 2 (19:10):
Are you in the north of this of New Zealand?

Speaker 6 (19:13):
Wellington, Johnsonville?

Speaker 2 (19:19):
Okay, all right, that's fine. You might have some some
of that what do you call that particular thing that
goes for oh for crying out light. I've lost that too,
not working at the moment. No, no, there are there's
there's a creature that that came. It became established in
the north and it's now basically further south. It's all

(19:40):
the way indeed in Wellington as well. Now forgotten what
it is. Oh my goodness, no, no, no, no, no, no, no,
totally totally lost it.

Speaker 6 (19:52):
Some striped I put a night time if you heard
the care of Sene trick with the soul a lot Yeah.

Speaker 2 (20:00):
No, yeah, no, that doesn't No, don't worry. Don't do that. Please,
don't do that. That's not gonna worry.

Speaker 3 (20:06):
Flammable is like making a little flame flower things.

Speaker 2 (20:12):
Now sorry, I can't help you with that. I've lost.

Speaker 3 (20:14):
It'll come back to us. It'll come back to us,
no doubt. Hey, let's finish with the texts. We won't
have time unfortunately for carry right now. Novice Garde, the
old Plander Boxers. How do you check if they're safe?
If it's old planet like sleepers, they'll be fine.

Speaker 2 (20:29):
Yeah, there will be, because they will, they will, you
know they have. Of course they've been been treated. Don't
freak out, but yeah, it would be.

Speaker 3 (20:38):
Just don't freak out, you don't free k gardening. There
you go, there's a new hit song right now. We're
back next week, both of us in the studio. It'll
be chaos.

Speaker 1 (20:51):
For more from the Resident Builder with Peter Wolfcamp. Listen
live to news talks there'd be on Sunday mornings from six,
or follow the podcast on iHeartRadio.
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