What to do in the garden in May

May is the month when many perennial plants begin to bloom. Aubretia, Iberis (English rulers), Arabis (gooseherd), Bergenia (white violet, Bergen), snowdrops, Hamamelis (witch hazel) and many more will make the days brighter. Spring is here, so it’s time to get serious and to prepare the garden!

Because the weather is changeable, it is very difficult to establish data and plan the work of planting, so use every opportunity that you have to finish your planting works!

Shrubs and trees
In most areas, it is possible to use spray for fruit trees against pests are inactive until April 15, thereafter dilute to 50% the spray. It should be applied in a calm day, with temperatures more than 4.5 degrees C.
Late March and early April is a good time for transplanting shrubs and trees. As soon as the soil can be worked, but before the buds swell or open, you can move shrubs and trees.
If you did not apply fertilizer in February for shrubs and trees, do it now. Use of acid-type fertilizer for rhododendron plants evergreen coniferous azaleas and Camellia.
Use a universal fertilizer to nourish roses and other deciduous trees and shrubs. If you use a solid granulated fertilizer be careful to wet it enough so that they enter the soil.
Finish lopping trees this month, before the swelling buds.

Perennials, annuals and bulbs plants:
Many are tempted to remove the protective layer of mulch on the flowerbed. Mulch layer must be removed gradually as the plants start to grow. The purpose of winter mulch layer is to protect them from sudden temperature changes and cold winds, so keep in mind that it is still winter. Acclimate the plants by removing the layer of mulch over a period of several days, allowing light and air to reach new sprouts gradually.
This month you can trim the roses. A more severe pruning will result in branches with beautiful flowers and a more compact bush.
Start spray roses against black staining.
Fertilize roses.
Seed plants that bloom in summer. Seeds sown indoors in last month, the trays can be transplanted in pots with peat and fertilizer that should be applied diluted. If you have a greenhouse, it is time to cut seedlings of plants “available to wintering” as Coleus (decorative nettle), chrysanthemums, geraniums and other perennials.
Successive frosts may even lead to breaking of roots and can push out the plant from the soil. If you notice out-of-ground plants, push them back into the soil and easy treads ground around the foot.
Divide and transplant perennials plants that bloom in summer and feed those that are alive, as they produce sprouts.
Plant bulbs or tubers delicate plants (gladiolus, lilies and dahlias). You can continue to plant new bulbs every two weeks until mid-June in order to ensure a continuous source of flowers.
Cut winter jasmine after finished flowering; honeysuckle cut to a height of 1.5 m.
Remove all dead flowers from plants bulbs. Feed bulbous plants that have completed the flowering with bone meal or  with supplement to the bulb.
Plant primrose and pansies.
Take the time to prepare the garden soil for planting.
Well decomposed manure or the processed peat moss or compost are good additives to create a layer of humus in the soil.
Peas and vetch and perennial vegetables such as asparagus, rhubarb, horseradish and artichokes can be planted now. Eggplant, Brussels sprouts, cauliflower, celery, leeks, onions, early potatoes and radishes can be planted in the garden in mid.
Spinach, chard, cabbage, cauliflower and other vegetables can be sown or resistant seedlings transplanted in late.
Plant strawberries, blueberries, currants, blackberry hybrids obtained from crossing raspberry and vines and fruit trees.  Put some manure around rhubarb. It is time to sow the seeds of tomatoes, lettuce and many other vegetables.

Decorative indoor plants
Indoor decorative plants will react to longer days and brighter this time of year by producing new sprouts. The end is the right time to cut the ends to generate new sprouts. Then start feeding them with a diluted solution of soluble fertilizer for houseplants.
Turn decorative plants to 90 degrees every week and make sure the plant receives the amount of light required on all its parts to maintain a balanced shape of the plant.
Spray the plants to remove dust deposited in winter to prevent red spider and add a little moisture. Watch out for pests and diseases. It is much easier to win the “war” with the pests if you find infection in the early stages.

Little things you have to do :
The most unpleasant task is removing the weeds, but it must be done before the weeds bloom and produce seeds. Remember that if weeds have started to make seeds, you will fight the seeds for seven years and even more. Most weeds can be removed by hand or hoe while they are still young.
Turn the compost pile, adding it all mulch debris that you have removed from the garden.
Be alert for aphids and caterpillars.
Repair of damaged areas of the lawn. Removes the dead grass, rake or loosen the soil. Apply dolomite to neutralize the soil, if needed. Most lawns will need fertilizers for spring, but if you need to clean tufts of dead grass or lime application, first do these things. OVERSEEDING may be stored in a last stage after application of the fertilizer on the pitch.
Test your soil pH and see if any adjustments are needed. The general rule is to add about 2 kg of lime every 9 square meters garden to a lower pH of 6.5 or 4.5 kg of sulfuric acid at every 9 square meters for pH greater than 7.5. Sawdust, compost oak leaves, wood chips, peat moss, flour cottonseed and mildew on the leaves lowers pH, while ash from wood, bone meal,  broken marble grow pH. The best way to adjust the pH is to do it gradually over several seasons.
March is the month to mark areas with poor drainage. If you have in your yard ponds that do not drain, fill those holes with soil or digging a drainage ditch.
Clean all the boxes for birds, to be prepared when they return to them.
Repair fences, poles, loose lattice grilles. Check if the plants under the eaves of the house and those under the evergreen plants have enough moisture.

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