Seeds to sow now:

Indoors or in a heated greenhouse

Ageratum

Alyssum

Aubergine

Bell pepper, Pepper, Sweet pepper

Cardoon

Celeriac

Celery

Columbine

Coriander

Cress

Cucumber

Floss flower, Ageratum

Forget-me-not

Ornamental pepper

Pepper

Tomato

Outside

Alyssum

Amaranthus

Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock

Asparagus

Aubretia, Rock cress, Aubrieta, Aubrietia

Beetroot

Beetroot, Garden beet

Borecole, Kale

Bristly hollyhock

Broccoli

Brussels sprout

Cabbage

Carrot

Cauliflower

Common hollyhock

Hollyhock

Kohl rabi

Lettuce

Normandy sorrel

Onion

Ornamental winter kale

Radish

Spinach

Spinach, Summer spinach

Spring onion

Sweet pea

Sweetcorn

Turnip

Outside under cover

Brussels sprout

Courgette

French marigold

Leek

Lettuce

Marrow

Onion

Snapdragon

Sweetcorn

Tomato

What else to plant now:

Roses (bare rooted)

Potatoes (main crop)


Shows and events:

I have checked the events listed below and have added comments where necessary. Please check the show website before travelling, as some events are very popular and the venues may have put restrictions in place, others might have to be cancelled at the last minute.

01/02/2025 - 07/12/2025

Chiswick Flower Market  The Chiswick Flower Market began in September 2020, the first London flower market to open in 150 years. The market is open on the first sunday of the month and runs from 9:30am until 3pm.
Old Market Place, Chiswick High Road, Chiswick, London

Chiswick Flower Market Chiswick Flower Market

02/05/2025 - 04/05/2025

National Motor Museum: BBC Gardeners' World Fair - Spring  BBC Gardeners' World Fair - Spring @ National Motor Museum
Plant sales, tips and inspiration. Food market and live bandstand entertainment. Set in the grounds and gardens of Beaulieu. Including BBC goodfood Market
- Beaulieu, New Forest, Hampshire SO42 7ZN

BBC Gardeners' World Fair - Spring BBC Gardeners' World Fair - Spring

08/05/2025 - 11/05/2025

Three Counties Showground: RHS Malvern Spring Festival  RHS Malvern Spring Festival @ Three Counties Showground
Show gardens, floral marquee and plant pavilion. Opportunities to buy plants, garden tools and equipment directly from the trade.
- Three Counties Showground, Malvern, Worcestershire WR13 6NW

RHS Malvern Spring Festival RHS Malvern Spring Festival

20/05/2025 - 24/05/2025

RHS Chelsea Flower Show  Perhaps the most famous and prestigious flower show in the world. It has been held for over 100 years, starting in 1862 and was originally known as the Great Spring Show. It was held at the RHS garden in Kensington, moving to the Royal Hospital Chelsea grounds in 1913, when it was a three day show. The whole event now covers the equivalent of 8 football pitches, including the 12,000 sq m Great Pavilion, and all of the show gardens are put together in just three weeks (19 days) by over 8,000 people and dismantled in the 5 days after the show.
London Gate, Royal Hospital Road, Royal Hospital Chelsea, London, SW3 4SR

RHS Chelsea Flower Show RHS Chelsea Flower Show

08/06/2025 - 08/06/2025

Open Farm Sunday  First launched in 2006, more than 2 million people have now visited over 1,600 farms. Over 400 British farms are opening their gates to the public, to show how our farms operate and promote home grown produce. See their website for your nearest open farm.

Open Farm Sunday Open Farm Sunday

12/06/2025 - 15/06/2025

The NEC: BBC Gardeners' World Live  BBC Gardeners' World Live @ The NEC
Show gardens and floral marquee, gardening advice, demonstrations and the chance to buy plants! Run in conjunction with BBC Good Food Show Summer.
- North Avenue, Marston Green, Birmingham, West Midlands B40 1NT

BBC Gardeners' World Live BBC Gardeners' World Live

13/06/2025 - 15/06/2025

Three Counties Showground: Royal Three Counties Show  Royal Three Counties Show @ Three Counties Showground
A celebration of farming and country living. Lots of activities in the main arena to keep the whole family entertained. Food and drink festival, crafts, exhibits and entertainment. The show also includes International Orchid Show.
- Three Counties Showground, Malvern, Worcestershire WR13 6NW

Royal Three Counties Show Royal Three Counties Show

01/07/2025 - 06/07/2025

Hampton Court Palace: RHS Hampton Court Palace Garden Festival  RHS Hampton Court Palace Garden Festival @ Hampton Court Palace
Hampton Court Palace Flower Show is the largest annual flower show in the World. However, after the 2025 show it is changing to a biennial event. Lots of large and smaller show gardens and marquees displaying flowers, plants and fruit. A whole marquee is dedicated for the 'Festival of roses'. Hampton Court has 34 acres of parkland so the flower show is able to spread out more than Chelsea. Unlike Chelsea where you can only purchase plants on the last day sell-off, at Hampton Court you can purchase plants and garden sundries on all days. In the last couple of hours in the afternoon of the last show day, a lot of the plants that have been in the display gardens are sold off at a reduced prices, so you may get a bargain. However, this also means that in late afternoon it's a bit frenetic and difficult to see the displays at their finest.30 minutes by train from London Waterloo.
- East Molesey, East Molesey, Surrey KT8 9AU

RHS Hampton Court Palace Garden Festival RHS Hampton Court Palace Garden Festival

16/07/2025 - 20/07/2025

Wentworth Woodhouse: RHS Flower Show Wentworth Woodhouse  RHS Flower Show Wentworth Woodhouse @ Wentworth Woodhouse
A completely new RHS show for 2025. Floral marquee, show gardens, floristry displays, expert talks and advice, trade stands and food and drink stalls.
- Wentworth, Rotherham, South Yorkshire S62 7TQ

RHS Flower Show Wentworth Woodhouse RHS Flower Show Wentworth Woodhouse

26/09/2025 - 28/09/2025

Three Counties Showground: Malvern Autumn Show  Malvern Autumn Show @ Three Counties Showground
A show for food and garden lovers. The event hosts specialist nurseries, including RHS-award winning growers, RHS flower show displays, the CANNA UK National Giant Vegetables championship, a wide selection of seasonal food and drinks stalls, cookery demonstrations, gardening talks, plant sales, vintage tractors, art & craft stalls and more. As the show is quite late in the year, the focus is on food crops and late flowering plants.
- Three Counties Showground, Malvern, Worcestershire WR13 6NW

Malvern Autumn Show Malvern Autumn Show

All event details have been entered as accurately as possible, but please check with the event organisers before travelling to avoid disappointment.

Welcome to the UKGardening Internet site.

The UKGardening web site has been running since 1998. The idea behind the site has always been to provide what we think will be interesting and useful information for the novice gardener.

Jobs to do in the garden this week.

  • Plant lily and gladioli bulbs in 4in (10cm) deep holes. Cover with soil or compost and gently firm down the soil to ensure that there are no air pockets as this may cause the bulbs to rot.
  • Cut vigorous climbers such as honeysuckle and ivy back hard.
  • When you see the new shoots forming on sedum, cut down the old, dead flower heads.
  • Refirm the roots of any shrubs that may have been lifted by frost.
  • Tidy up any remaining leaves and general garden rubbish. It's home to slugs, snails, vine weevil and woodlice and can introduce disease and infection into your garden.
  • April is the peak flowering time for orchids.
  • April is the best time to plant an evergreen, such as laurel or box.
  • Lift and divide primulas and polyanthus after they have finished flowering. See our YouTube video showing how to do this.
  • Keep an eye on the weather forecast. Cover shrubs that are likely to be damaged by frost with garden fleece, sacking or an old light blanket.
  • Open cloches ends to allow pollinating insects access to flowering plants. Remove cloches in late spring.
  • Don't be tempted to buy your summer bedding yet, unless you have a greenhouse, conservatory or cold frame that you can store them in. A late April / early May frost is not uncommon in the UK.
  • Plant up new ponds with aquatics, including oxygenators.
  • Prune lavatera hard, down to healthy young growth.
  • As daffodils fade, remove the flower heads. Don't cut back the leaves - leave them to die back naturally. However if you want to tidy them up, wait until the leaves have yellowed before removing.
  • Now is the best time to plant lavender. Widely grown for its scent and foliage, lavender is ideal for borders or a low hedge. Available in shades of purple, blue, white and pink it is a magnet for bees and butterflies
  • Postion plant supports where they will be needed in late summer. Doing this now reduces the risk of damaging the roots later in the season.
  • Plant maincrop potatoes in prepared ground or potato growbags.
  • As summer-flowering herbaceous perennials start to come back to life, lift and divide overgrown plants.
  • Plant onion sets (bulbs). Run a string line across the bed and plant the bulbs, 5-10cm (2-4in) apart, up to their necks so just the tips are showing. Space the rows 25-30cm (10-15in). Firm the soil around them and water well, cover with a cloche for added protection. Keep an eye on them until they get established as some birds like to pull the sets out.
  • Begin regular cutting of your lawn. If the grass is long increase the height adjustment of the mower to the highest setting. Once this first cut has been done, lower the blades/deck and go back over the lawn.
  • Remove algae and moss from patios and paths with a pressure washer or proprietary patio and path cleaner (traditionally a tar oil winter wash could have been used, but these are no longer available, particualrly to the amateur gardener, as they were found to be carcinogenic).
  • Thin out seedlings, leaving the strongest growing plants. Water the soil gently beforehand to reduce soil disturbance.
  • If your lawn is more moss than grass, then treat with a lawn moss killer. Bare in mind that the moss will turn black within a couple of days, so don't be too alarmed. A couple of weeks after application, if you are left with bare patches in your lawn, mix equal quantities of grass seed and seived compost and scatter over the patches, cover areas with fine netting or twigs gently pushed into the soil, to protect from birds and animals. Combination lawn feed and moss killer is available, but feeding your lawn when it's not necessary will encourage it to grow quicker and therefore need to be cut more regularly.
  • Scatter growmore granules under fruit trees and bushes, especially apple, pear and plum trees. If it doesn't rain for a couple of days, water the granules in with a hose or watering can. Growmore is a slow release, general fertiliser, it includes the three main plant nutrients (nitrogen, phosphates and potassium).
  • Transplant any self-set aquilegia, lupins and hollyhocks to new locations.
  • As it's starting to warm up, it's a good time to lay a new lawn, although the best time is in Autumn or late winter, as it's damper and cooler, allowing the turf to bed in without you having to worry too much about regular watering. See here: laying a new lawn for further information.
  • Remove the dead heads of spring flowering bulbs, such as tulips and daffodils, before they have a chance to produce seed. This will encourage the plant to store energy in the bulb rather than wasting it on seed production.
  • Control weeds in lawns with a selective weedkiller. Don't cut the grass for at least a week after applying. Don't put these grass cuttings on the compost heap.
  • Your pond may have started to turn green and cloudy. This is due to a rapid increase in algae, which flourish in the warmer spring temperatures. Once the pond plants start to grow again, especially the oxygenating plants, these will use up the nutrients and create shade, reducing the amount of algae. To speed up the clearing of the water, drop a small string bag/pair of old tights stuffed with barley straw, into the pond. Weigh the straw down, so that it floats just below the surface of the water.

    As the straw breaks down, it produces hydrogen peroxide, which reduces and inhibits the growth of algae and blanket weed. If the algae is particularly bad, barley straw extract can be bought in liquid form and added to the pond water (follow the instructions on the bottle, but as a guide before purchasing,125ml treats approximately 4,500 litres/1,000 gallons, but multiple, fortnightly treatments through the year may be necessary). If you have a fountain or waterfall, try to position the barley straw underneath this. Remove and replace the barley with new straw after about six months, before it completely rots down, polluting the water.

    The small, pre-filled barley straw bags to add to your pond, cost about £2 each, but you can buy a 17 litre pack, which will last a few years for about £10 from your local pet shop or Amazon here: Supreme Petfoods Tiny Friends Farm Russell & Gerty Barley Straw, 17 Litres

  • Sow vegetable seeds (courgette, marrow, runner and French beans) in the vegetable patch and salad seeds (lettuce, spring onion and radish) little and often to provide a staggered harvest through the summer.
  • Spread compost from the compost bin over the borders and vegetable patch. This adds valuable nutrients to the soil and acts as a mulch, to retain moisture and reduce weed growth. The ground should be weed free and the soil moist before adding a layer of compost or mulch.
  • Feed established roses every other week with a rose fertilizer. Deadhead regularly to encourage further flowering. Check for aphids and black spot and treat accordingly.
  • Apply a weed and feed to established lawns. Water in with a hose after a few days if it hasn't rained.
  • Protect plants from slugs and snails with slug pellets, course grit or traps. Alternatively try to encourage birds, hedgehogs and frogs to your garden - all prey on slugs and snails. More suggestions to reduce slug and snail damage.
  • To reduce the chance of introducing infection when pruning or deadheading, wipe the blades of secateurs, loppers and snips with a rag soaked with a garden disinfectant, such as Jeyes fluid, which can also be used to wipe down garden tables and chairs.
  • Regularly water trees and shrubs that were planted last autumn and winter. Their roots won't have had a chance to fully develop yet.
  • Cut grass weekly, long grass takes more nutrients out of the soil. It is also harder to cut and may leave yellow patches in the lawn.
  • Lift, divide and replant chives.

 

 

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