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BobTheGardener


Latest posts by BobTheGardener

Tomatoes

Posted: 22/01/2014 at 20:38

Hi Tracey, yes I'd recommend growing several different varieties - as many as you can fit in really!  That way you are likely to get a good crop on at least some of them even if some succumb to the weather or diseases etc.  I always grow at least one blight resistant variety whatever else I choose.  Had ten varieties last year and although it was a slow start with the poor spring, the great summer meant all of them did well - quite a rare thing in my experience!

Puzzled by what I have read on leaf spot,please read my message if you can help

Posted: 22/01/2014 at 20:28

Leaf spot is just a description of a symptom.  Lots of different diseases cause spots on the leaves of many plants.  Many of the diseases which do this are fungal but it's not one particular fungus that causes all leaf spot.

Mulching a concrete apple tree!

Posted: 22/01/2014 at 20:22

Couldn't agree more - break up the concrete near the trunk so there's a few inches gap or the tree will strangle itself as the trunk continues to grow in diameter.  The only part of a tree that is truly alive (apart from the leaves, flowers and fruit) is a thin layer just beneath the bark known at the cambium.  The stuff we call wood in the centre of the trunk and branches is actually dead.  If the cambium get strangled all the way around the trunk , the whole tree will die.  This link explains it better than I can:

http://www.appleman.ca/korchard/grfting3.htm

 

Soil warming cables

Posted: 22/01/2014 at 19:22

Hi David, they are rated in Watts so you can compare to light bulbs.  The most common cable is rated at 12.5W per metre so, for example, a 6m length would use 75W.

If your electricity costs (say) 10p per kWh, a 6m cable would cost 0.75p per hour, so 18p per day.

  

Blueberries

Posted: 22/01/2014 at 18:58

Hi Cherry, blueberries must have acid soil with a pH between 4 and 5.5 which is too acidic for raspberries so the chances are your soil isn't acid enough if the raspberries are growing well.  I would check the soil pH with a cheap test kit (only a few pounds) and if it is not within range consider growing the blueberries in large pots of ericaceous compost.  They grow very well like that.

Grape Vine root space

Posted: 22/01/2014 at 18:53

Hi Jerry, as it's a mature vine the roots will be spread over quite a distance (many metres) and happily growing under paths, patios etc. so I don't think you need to worry about the blackberry affecting it.  If it was relatively young then it might be a concern but I'm sure you'll be fine in this case.  Just take care not to cut through any thick vine roots (easily identifiable as they look just like the vine stem itself) when preparing the planting hole for the blackberry.

 

blueberry and raspberry plant spacing

Posted: 21/01/2014 at 18:58

Mine are in 50cm ones, dj.

Newbie with lots of questions

Posted: 21/01/2014 at 18:55

I have a hardy Chilean potato vine growing in a pot and it hasn't lost any leaves so far this winter.  It's a pretty rapid grower and unfussy.  I think it's Solanum crispum 'Glasnevin'.

Cost of bird food

Posted: 21/01/2014 at 18:45

Woo, the birdies are back!

It's been -2C for the last couple of nights and when I looked out for just 2 minutes this morning I saw greenfinches, sparrows, coal tits and a robin, so they do remember where the easy pickings are when it gets a bit nippy!

blueberry and raspberry plant spacing

Posted: 21/01/2014 at 18:36

I've never grown raspberries in pots but others here have and may be able to give better advice.  Personally, I'd think they would need pretty large ones - say 30cm dia.

As for Verdun plunging the pots into the ground, that's probably to help with watering (less required) and to keep frost from getting at the roots I would think.

Discussions started by BobTheGardener

Anyone for squirrel crumble?

Thieving rodents 
Replies: 5    Views: 239
Last Post: 25/10/2014 at 22:29

Plant ID quizzes

Have fun identifying plants! 
Replies: 16    Views: 406
Last Post: 14/09/2014 at 13:17

Watering dried-out pots

Tip to help to stop water running straight through 
Replies: 13    Views: 360
Last Post: 28/07/2014 at 12:28

Blackfly - ladybirds to the rescue!

Broad bean tip blackfly infestation 
Replies: 2    Views: 229
Last Post: 13/07/2014 at 18:04

Bob's guide to picking soft fruit

Only fto be read by your household's main gardener! 
Replies: 3    Views: 206
Last Post: 05/07/2014 at 18:52

Lovely surprise

I went down the garden in the gloom.. 
Replies: 15    Views: 527
Last Post: 18/06/2014 at 14:32

Dragonfly/Darter/Mayfly ID?

Flew into the polytunnel for a while 
Replies: 6    Views: 358
Last Post: 01/06/2014 at 21:44

A week of rain = jungle garden!

It's been too wet to really do anything outside.. 
Replies: 16    Views: 829
Last Post: 01/06/2014 at 17:42

Deep Down & Dirty: The Science of soil

Replies: 4    Views: 454
Last Post: 24/04/2014 at 11:30

Check your delphiniums for caterpillars

Look for distorted and damaged leaves near the tips 
Replies: 10    Views: 511
Last Post: 22/04/2014 at 10:58

Seed grown Wisteria finally in flower - Hooray!

Planted many years ago 
Replies: 3    Views: 264
Last Post: 15/04/2014 at 12:39

Oops!

Polytunnel growing 
Replies: 16    Views: 567
Last Post: 16/04/2014 at 19:05

First day of (meteorological) Spring

How id your garden looking 
Replies: 13    Views: 589
Last Post: 03/03/2014 at 20:31

DIY heated propagator

Making one from scratch 
Replies: 48    Views: 4643
Last Post: 30/06/2014 at 19:57

Cost of bird food

bulk vs supermarket 
Replies: 31    Views: 1822
Last Post: 10/02/2014 at 12:33
1 to 15 of 25 threads