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DonSarah Raven's video project on dividing astersTips on dividing irisesLearn about lifting and storing dahlias

I find I have to lift and divide primulas at least every third year else they disappear altogether. I open to "my public" for the very first time tomorrow so it can bucket down with rain from Wednesday night onwards. Wish me luck everyone, as I do

Move containers of shrubs or bedding to a sheltered spot FlowersDig over empty borders and pile manure on topLift and divide congested clumps of rhubarbCut down asparagus ferns and Jerusalem artichoke topsFruit & vegClear out old tomato and cucumber cordons

off shrubs and conifersPlace rabbit guards around trees to protect barkFirm down plants lifted by frost or wind rockAround the gardenDeadhead winter-flowering pansies and bedding plantsDivide congested herbaceous perennialsPrune winter jasmine to cut

ago. I trimmed it just as though it was a hedge. But if you have a specimen plant, you obviously wouldn't want to do that. These plants are pretty resilient. Quite easy to lift and divide if you fancy some more. Despite its drawbacks, it does make a

Snowdrops transplant well when they are in leaf and even in flower and the bulbs can also be divided at the same time - a method known as 'in the green'. You can then replant new clumps of snowdrops in other places around the garden; it's a simple

hello everyone.. i have a problem with my tulips this year.. they have not flowered as well as normal.. i was wondering if it was because of the dry weather we have had down south.. or do they have to be lifted and divided like other bulbs.. Hey

iris that develops into a tight clump within a few years. Mine hasn't been divided for some time, so when the weather warms up in spring I really must lift the whole clump and split it up before replanting. There will probably be enough to give away a

that it would have been best to lift & divide them earlier (eg April) but I was a bit (ie VERY) busy planting shrubs and hedges at that time & the plants were also very late & giving no indication then of just how much they had grown in one year. I am reluctant

will be soon leave the plants alone apart from weeding, the top growth will also die back then start to come again in Autumn. Clean around the plants and a mulch of compost around them then leave to flower.After flowering next year lift and divide the plants re