Gazania splendens:Perennial plant about 20 cm high, with pointed leaves with silver, and bearing beautiful daisy like flowers, in yellow orange shades useful in beds, borders for edging and carpet bedding and on rockeries, propagated by seed or suckers.Propagation by division of clumps or from seed. Gerbera: Stemless perennial herbs with radical stalked leaves, flower heads are solitary, large and sterile with varying colours.They are suitable for mass planting in beds and borders in and adjoining lawn. Solidago:Popularly known as 'golden rods' producing erect feathery rod-like trusses crowded with pretty golden yellow flowers.
Chrysanthemum: Flowers are single or double available in attractive colours.are the examples for herbaceous perennials.
They are useful as herbaceous or mixed borders or for pot culture. They are propagated by seeds, cuttings, offset and slips. Herbaceous perennials are those perennial plants with soft succulent stems (as compared to shrubs which have woody stems). Examples of biennials are canterburry bulb, Gladiolus etc. Biennials are grown in the same way as annual and can be used similarly. Generally, the period of growth is 6 to 9 months. This encourages lateral growth and a more bushy shape.īiennials are plants which grow in one season, flower, fruit and die in the next season.
The terminal buds of seedlings are pinched-off after they establish and when they are about 25 to 30 cm high. Tall growing annuals like Hollyhock may be provided with stakes.ġ0. Generally a spacing of 30 X 30 cm may be given for most of the annuals.ĩ. One month after planting when the seedlings have produced six to eight leaves, they can be transplanted into main beds.Ĩ. This help to increase the fibrous root system and to develop vigorous plants.ħ. Pricking is normally done when the seedlings have produced 2 to 4 leaves. Pricking is the practice of transplanting young seedlings into small pots individually or in the nursery beds with richer soil giving wider space (10 to 13 cm). As transplanting often results in heavy casualities the seedlings are pricked before transplanting. After the seeds germinate completely, over crowded seedlings are thinned out.Ħ. Watering the nursery may be done with rosecan.ĥ. Annuals which do not stand transplanting like Calendula and Antirrhinum are sown broadcast in beds.Ĥ. Fine seeds may be mixed with 3 to 4 parts of sand before sowing.ģ. In the seed pan, a pot mixture consisting of two parts of well sifted soil, two parts of leaf mould and one part of sand may used.Ģ. Thin sowing is necessary to get good sized vigorous seedlings. The seeds are sown in seed pan or raised beds. They serve as perennial sources of supply of cutflowers for indoor decorations.ġ. Few other annuals are useful for planting in shrubberies in vacant spaces they are Sunflower, Hollyhock, tall growing species of Amaranthus, Tithonia etc.ħ. Some annuals are useful for massing in beds (e.g., Aster, Phlox, Salvia, Zinnia and Verbena)Ħ. Certain climbing annuals are useful to cover trellis work (e.g. Certain annuals are useful in hanging baskets (eg. Certain annuals are useful as edging (e.g. Flower beds of simple design can be laid out on the outskirts of lawn, along the base of buildings, in the path leading to entrance of horses and on sides of foot stepsĢ. They comprise of several of the most beautiful and easily grown plants widely varying in form, habit of growth and colour.Īnnuals are classified into rainy season annuals, cool season or winter annuals and warm weather annuals.Īnnuals can be used for multipurpose as hereunder.ġ. Mostly they complete their life history in 3 to 6 months.
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Annuals are a group of plants which attain their full growth from seed, flower and die in one year or one season. ANNUALS, BIENNIALS AND HERBACEOUS PERENNIALSĪnnuals are plants that complete their life cycle in one season or one year (eg.) Balsam and Cosmos.