Latest posts by Verdun

Planting dahlia tubers

Posted: 27/04/2016 at 23:29

Lantana, the Bishop is a large plant.  It is also a foliage plant with its purple foliage so delightful even before it flowers.

my view is dig  them up, pot them up, put in the greenhouse and start to water sparingly. put in pots big enough to accommodate the tubers and cover the tubers with compost but do not bury the stem. when you see roots emerging from the bottom of the pot then pot on again into a bigger pot but leave outside and start watering well without saturating. i would pot on again to produce an even bigger plant.

my experience is that those little tubers will produce sizeable plants come the summer to fill your allocated spaces 


Posted: 27/04/2016 at 22:45

We crossed there aym

Re helleborus black spot......this develops during the growing season and can be a real problem.  My view is it is exacerbated by damp humid conditions so removing flowered stems asap helps air circulation thus reducing disease.  I have experimented too over past couple of years and had success with neem oil sprays to prevent disease.  I add seaweed spray too....always a good tonic. Keeping soil clean and clear of debris helps too as does a mulch after cutting back.  A total cut back of all leaves in late autumn with a further mulch helps allowing flowering stems without leaves to appear in late winter and spring.

It's worth noting that hellebores, if grown well, make large  plants.  i have a reasonably big garden and prob have maybe 30 hellebores.  Apart from wanting a double black this is enough for my size of garden.  The average person does not want or have room for lots of hellebores so buying lots of them is neither sensible nor practical If other plants are grown too.  One reason why buying loads of plugs is simply not a good idea.  Plus, the hellebores we do have will seed readily thus greatly extending the number of hellebores we have.  Less is more here 


Posted: 27/04/2016 at 22:36

GD, remove flowered stems right to the base.  Cut off only diseased leaves but none of the healthy ones.  Your plants will then be less congested.  Mulch or feed but do not divide now.  If you want to divide them wait until autumn but you will be surprised at the size of the rootball. 

incidentally don't cut off diseased leaves only.....take the whole stem off to the ground or you will be left with unproductive and bare stems


Posted: 27/04/2016 at 22:23

Been a relaxing one too hazel .....nice one 

Feedback from BBC about GW being cancelled

Posted: 27/04/2016 at 22:06

Well done Tootles.  

Salvia nemorosa

Posted: 27/04/2016 at 21:44

Fishy no prob....salvia will go with most everything but heucheras, yellow or red will go well, white dianthus, but yellow flowers too.  Or grasses like elymus magellanicus (blue foliage), bowles golden grass (yellow foliage) , stipa tenuissima, uncinia rubra ( red foliage) 

whatever fishy, enjoy your salvia 

......the good guys

Posted: 27/04/2016 at 20:10

woottens are brilliant Andy 

Salvia nemorosa

Posted: 27/04/2016 at 20:07

Nice hardy salvia fishy,,,,different varieties though.  showy, upright neat and good next to hostas.  

I have a couple of them and would not be without them 

Container Hosta Mulching

Posted: 27/04/2016 at 18:10

Blimey hosta, I could spend a fortune looking through your list ........not half way through yet !


Posted: 27/04/2016 at 18:08

for sure Runny as soon as the flowers fade.  Take out the stems right to the can see the difference between them and leaf stems.  You will quickly get new growth to help your plant thrive.  Allowing the flower stems to die down will rob it of energy

if you want it to set seed then delay cutting back but a rogue seedling would spoil the plant you already have. 

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