CHE REFERENCE LIBRARY - ZetaTalk

338 ‘1’111;: N URSER Y-MA N I/A I;Hyssop ( Irl~ssoyus ~jkimh). Lab,ic&x.Grown from seed sown in spring, either in drills where the plantsare tostand or broadcast in nursery-beds. It may also be propagatedfrom cuttings or division in spring or fall ; greenwoodcuttings may be started in shade in early summer.Iberis (Clandytuf t). Cru&f~~.The annuals and biennials are increased by seeds in spring ortllltulnll. Auturnu-sown plants should be slightly protected duringwinter ; these will hlooin from spring to July while spring-sown plantsM.mn from cJ~~ly to September. The sub-shrubby sorts are inchreasetlbq’ seed:; sown in spring, and by di\?sions and cuttingstaken in September and put in sand, in a cold propagating-frame.Ilex (Holly). ,4 qT1;J;l iace@.Propagated by seeds, which should be strat.ifiecl. They are oftencleaned of the pulpy coat by maceration. The seeds rarely germinateuntil the second year. The el’ergreen species may be increastbd1)~ cuttings of ripened wood under glass. Varieties areperpet.uatcd l)y graftage. The veneer-graft, on potted plants, isusuall~~ ~~tnplo~xvl, I)llt other methods may be successful. Buddingis sonictimes practiced. I. ;f qwifolizcttt and 1. opfr.cf1. are iilostlyused as stocks.Illicium. Mug?1 01 i(uwP.Increased 1);~ st4s ; also by cut tings of youn, (7 ripened wood.Imantophyllum : Clioitr.Udwrt1 ittwcw.Impatiens.Grown froill sr~ls. ‘I’ll intloor species may Iw grown titherfrom cuttings or seecls ; cuttings usually root freely. See Balsunt.Incarvillea. Ui$gtrott iacrw.Propagated 1)~. division anal by seed.Indigofera (Indigo). I,c~grttttittos~.3Iultiplied b>* sc~ls, and 1):~ cuttings of young shoots under glassin light heat and liardwoocl cuttings iA winter.Inula. Co7r~posifc.t~.Seeds usually grow readily, e 4ving 1)loomiiig plants the secolltlyear. Old plants may be divided.