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Hairy bitter cress

By Gardeners' World on 19/10/2011 17:34:29

Left unchecked, hairy bitter cress can quickly spread to infest the whole garden. This weed can complete its lifecycle in three to four weeks to disperse thousands of seeds, all of which can germinate to release their own seeds in quick succession


Field horsetail

By Gardeners' World on 19/10/2011 17:36:06

Field horsetail is also known as marestail. Once established, it has roots that extend to 2m deep, and spreads by means of creeping rhizomes. The plant produces light-brown stems in late spring, topped with cone-like structures


Japanese knotweed

By Gardeners' World on 19/10/2011 17:37:41

. It spreads by sprouting from thick, woody rhizomes, and can grow 1.2m in one season. Winter is the only time of year that offers a reprieve, but for the rest of the year it's a plant that needs tough handling as soon as it appears. This weed is especially


Vinca or periwinkle

By Gardeners' World on 19/10/2011 18:00:10

Vinca major or periwinkle is a pretty, low-growing plant often with pale blue flowers that is used as a ground cover plant because of its mat-forming properties. However, it can be very invasive, and will rapidly spread around the garden


Common daisy

By Gardeners' World on 19/10/2011 16:39:58

.Apply a systemic weedkiller to the foliage of daisies in paving or flowerbeds. On lawns, use a selective lawn weedkiller or a lawn feed and weed product.established flowerbeds, cultivated ground, cracks in paving, garden walls, lawnsspring, summer, autumn


Creeping thistle

By Gardeners' World on 19/10/2011 17:56:38

Creeping thistle, Cirsium arvense, is a pernicious weed that will quickly take over your garden unless kept in check. Winter is the only time of year that offers a reprieve, but for the rest of the year the best way to tackle it is to dig it out


Clover

By Gardeners' World on 19/10/2011 16:32:49

Clover, most commonly Trifolium repens, is a perennial weed with shamrock-like leaves and fragrant white flowers. It colonises gardens and lawns using runners that fix into the ground, and competes with other plants for space to grow. Once it


Creeping buttercup

By Gardeners' World on 19/10/2011 16:57:09

, in the worst case scenario, lift the turf and replace it.In lawns, you can get rid of the weed using a lawn weedkiller, such as a 2, 4-D-based herbicide. Apply it in cool, moist and calm weather when there's least risk of accidentally spraying nearby garden


Mind-your-own-business

By Gardeners' World on 19/10/2011 17:40:43

or lawn, although it's particularly prevalent in the crevices of stone walls and in damp conditions. A slow-growing weed with tiny flowers and leaves. Its stems root as they spread, forming a thick mat that leaves little space for other plants to grow


Self-heal

By Gardeners' World on 19/10/2011 17:45:17

and replace the affected turf in order to deal with it effectively.In lawns, use a weedkiller such as a 2, 4-D-based herbicide to remove self-heal. Apply in cool, moist, calm conditions when there is least risk of accidentally damaging nearby garden plants


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