Although the calendar spring begins in March, real warmth comes to the garden only in April. In this month, many gardening activities become active, and sowing gradually moves from indoors to outdoors.
Throughout the month, we sow cold-resistant green crops in the greenhouse or under film on warm beds, as well as white cabbage and broccoli for seedlings intended for open ground.
In the second half of April, we continue to sow seeds of indoor plants, and we also plant seedlings for the greenhouse: cucumbers, vegetable physalis, ultra-early varieties and hybrids of tomatoes, and eggplants. Additionally, we sow cauliflower, late varieties of white cabbage, and broccoli for planting in open ground.
We also sow in separate containers and grow heat-loving green crops without picking until planting in open ground: lemon balm, hyssop, savory, marjoram, basil, and tarragon. We do not forget to sprout the tubers of dahlias and gladioluses.
We also plant seeds of heat-loving decorative annuals for seedlings: ageratum, amaranth, Chinese aster, carnations, annual dahlias, heliotropes, petunias, shiny salvia, marigolds (tagetes), fragrant tobacco, castor bean, portulaca, celosia, zinnia, and others.
In the last decade of April, cold-resistant vegetable and green crops can be sown in open ground: borage, leaf lettuce, watercress, mustard, arugula, Swiss chard, spinach, sorrel, radishes, peas, onions, dill, parsley, as well as early and late carrots.
At this time, cold-resistant decorative flowers and grains can also be sown directly in open ground, such as three-colored bindweed, godetia, gypsophila, iberis, calendula, decorative cabbage, Clarkia, cosmos, large-flowered flax, lupine, poppies, matthiola, nigella, reseda, scabiosa, phacelia, bearded barley, decorative millet, and others. If the sowings are covered with a light non-woven material, the seedlings will appear faster and be better protected from drying out.
From April 20 to May 20, grafted roses can be planted. Standard and own-root roses are planted only in spring.
The optimal time for dividing and transplanting clematis in open ground is late April to early May, when the soil has thawed but the plants have not yet started to sprout. Also, at the end of April, most rhizomatous perennials (phloxes, daylilies, astilbes, chrysanthemums, delphiniums, hostas, and others) are divided before their active growth begins.
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