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Over the years, Gerry has answered more than 5,000 of your gardening questions. His knowledge is based in science and practical experience, and by working on radio and television.
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I have 2 dozen lupins from this year's seeds, in a cool greenhouse, about 12 inches tall, should I place them outside, or leave them where they are?
Hi Gerry, see enclosed flower yellow and orange Can you let me know if u know the name of it Thanks Francis
Can you tell me what this flower is? It look like a shamrock 3 leaf with yellow flowers. Not sure if it a real flower or a weed
Should a lupin plant which I have had for a number of years have started to sprout by now or is is likely to be dead. There are no shoots visible.
I bought 2 Agapanthus plants at a garden centre 4 years ago and I planted them in garden and had 1 flower on each the 1st year but only had green leaves and no flowers since,could you tell me reason for this and what I should do to get flowers on them as they are lovely plants.
I have a number of Erysimum (Bowles Mauve) plants. Should these be trimmed back to ground level or just pruned and will they grow back again?
I have 2 agapanthus plants growing with 3 years but have no flowers on them, I had 1 flower the first year but nothing since only green leaves,what is the reason for this.
About 3 to 4 years ago I planted Flame Creeper at the base of a Japonica shrub growing against a north facing wall. Thought it would give colour when the Japonica finished flowering. The creeper has now started to spread deep in the soil and I am afraid it is going to 'take over'. I think it may be on it's way into the neighbour's garden! If I have to lose the Japonica which is there years, so be it. Can you please tell me how I can kill it?
Could you please suggest a shrub for a large terracotta container on an elevated exposed site facing west close to the sea in the west of Ireland?
Is Phyllostachys nigra a runner or clumper and what to do with it all brown leaves falling off?
When is the best time to take out the sweet william out of the pots to plant in the ground as this is their 2nd year in pots. the pots are outside my house in Sandymount?
Agapanthus in south facing bed didn't flower last year - should I put restrict their roots within the bed to encourage flowering?
What is the best tropical plants/trees to use in sheltered sunny garden, taking into account our cold frosty winters?
Are everlasting wallflowers too late to grow from seed for this year? Can't find them in any of the usual outlets
I am looking for a perennial flowering plant that I can plant in mass that will look good against calamagrostis Karl foreseter. Have used rudbeckia in other parts of garden so do not want to use it again.
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