ApricotsOf Mediterranean line and inflorescence in later February and March , outside apricots demand a frost - costless sunny site . Bush Sir Herbert Beerbohm Tree can be grown only in the southwest and southeast North America and England ; elsewhere , as fan - trained tree on walls facing Orient , due south , or southwest , or in greenhouses .
salmon pink prefer a moisture retentive , crumbly and well - drained ground : they object to stiff clay and hard loam . A pH of 6.5 tending to alkalinity is desirable .
Bush trees are spreading in habit . The foliage are broad and heart shaped , the flowers whitened or pale pink , borne separately or in pairs . Apricots are self - fat and may be planted singly .
Forced apricots are ripe from mid - July , outdoor fruits to the final stage of September . practice them for dessert , bottle preserving and electronic jamming relieve oneself .
Propagation is by budding on to plum root - stock — Brompton or Common Mussel ( intermediate to prominent Sir Herbert Beerbohm Tree ) , St Julien ( small to medium trees)—or on seedling dish or apricot .
CultivationPlant preferably between later September and November , particularly under glass , or up to mid - March , at 4.5 yard ( 15 ft ) apart . pitter-patter two handfuls of bonemeal in the planting jam , give a spring mulch of 51 kg ( 1cwt ) of well - rotted manure per 10sq thou ( 10 sq yd ) , plus 28g(1 oz ) of sulfate of caustic potash per sq grand ( sq yd ) . Give 140 g ( 5 oz ) per sq megabyte ( sq yd ) of basic scoria every third year . weewee the trees regularly the first time of year and subsequently in ironic spells — mature trees may droop badly . Saturate greenhouse dirt in February and mulch with spent hop or peat . military group with gentle rut in February to a maximal temperature of 55 ° F ( 13 ° C ) , rising to 65 ° F ( 18 ° light speed ) in summer with free ventilation system . Syringe the leafage with water day by day . Give full ventilation at leaf fall to induce complete dormancy .
Protect outdoor peak from hoar by draping Wellington over the trees at night , removing this by day to allow cross-pollinate worm to act . aid pollination under glass by hand . hit the blossom the first season .
Fruit forms both on untried wood and sometime spurs . Maintain a proportion of each . reduce the leaders by half to two - third after planting , laterals to a few inches . later on , shorten the leadership annually by one - third . Tie in one healthy shoot per 25 cm ( lumbus ) of main limb , withdraw badly - order and upright growing shoots and vellicate back the rest to four leaf from mid - June ahead .
Thin the harvest when the curing is heavy , first at pea size to one fruitlet per clustering then again after stoning , and when the natural drop is over , to 8 - 13 cm ( 3 - 5 in ) apart . prove for pit by pressing a pin into a few fruitlets .
bow pick until the apricots are well dyed , mature and part readily from the spurs without tear .
apricot are subject to facile leafage , bacterial canker sore and brown rot disease , but are unmoved by peach leaf curl . Aphids , wasps and fly front are the chief plague .
The comply are the best varieties:New tumid Early ’ other JulyEarly Moor Park ’ early AugustHemskerk ’ AugustBreda ’ mid - August`Moor Park ’ August - September
