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BOUVARDIA(Bouvar’dia ) . Dwarf greenhouse flowering shrubs , from South America , which belong to to the household Rubiaceae . They have slender vertical stems , furnished with small-scale green leaves and terminated by bunch of reddened , pink or clean , single or threefold flowers in autumn and wintertime . The flowers are in the form of slender tubes opening out at the top into four petal in cruciform ( cross ) geological formation . The name Bouvardia commemorate a French gardener , Dr. Charles Bouvard .
When to Take Cuttings . Bouvardias are suitable for cultivating in 5or 6 - in . pot in a glasshouse with a minimum winter temperature of 50 degrees . Young plants are raised per annum from cuttings . The old plant are cut back in February and syringed to make them produce young shoots . When these are about 2 in . long they are acquire off with a heel , or piece of the branch attached , and inserted in pots of sandy soil in a disperse case in the glasshouse . When roots have formed , the unseasoned flora are pot separately in 3 - in . mass ; the most worthy compost comprise of loam , two third , peat and foliage mold , one third , with George Sand summate freely .
As soon as the plant life are well rooted the tips of the shoot are pinched out and the resulting side branches are similarly treated to guarantee well - branching specimens .
The plants are then pot in orotund pots and , when base in these , are gradually harden off and plunged to the rims of their mountain outdoors for the remainder of the summer ; or , instead , they may be planted outdoors in a layer of ample dirt in a gay location for the summer and be lift and potted or planted in greenhouse benches before fall . In either case , pilfer the shoots occasionally to the goal of August . In September , they are taken into the nursery , where they flower copiously for several weeks .
Treatment After Flowering . When the prime have wither , the plants are rested by keeping the soil fairly ironic until February . They are then started into growth for the production of cuttings by excite them from their older soil and potting them into pots just big enough to nurse their rootage , in overbold sandy filth , and by moistening the dirt and syringing the stems . If desired , some of the sure-enough plants , after having been cut back and start into growth , may be pot in larger potty to form adult specimens . The shoots should be “ pinched ” during summer ; the plants will then blossom throughout the winter .
assume Root Cuttings . Pieces of the root of the one-time plants can be used as cuttings . They should be cut into pieces an inch long and inserted in sandlike soil in a propagate case in the greenhouse in March .
Some of the good varietiesare : President Garfield , double pink ; President Cleveland , single red ; Dazzler , individual scarlet ; Alfred Neuner , double white ; Princess of Wales , single garden pink ; Humboldtii , ashen , very fragrant ; Humboldtii Albatross , white , large - flowered ; Giant Pink , salmon - rose ; and Christmas Red , scarlet . These are grown in preference to the specie ( natural wild types ) . Of the latter the well are B. longiflora and B. jasminiflora , both having lily-white , fragrant flowers , and B. ternifolia , scarlet . B. ternifolia Giant Pink and B. ternifolia White Joy are improved variety .
