CHE REFERENCE LIBRARY - Pole Shift Survival Information

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 plants
are tostand or broadcast in nursery-beds. It may also be propagated
from cuttings or division in spring or fall ; greenwood
cuttings may be started in shade in early summer.
Iberis (Clandytuf t). Cru&f~~.
The annuals and biennials are increased by seeds in spring or
tllltulnll. Auturnu-sown plants should be slightly protected during
winter ; these will hlooin from spring to July while spring-sown plants
M.mn from cJ~~ly to September. The sub-shrubby sorts are inchreasetl
bq’ seed:; sown in spring, and by di\?sions and cuttings
taken 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 often
cleaned of the pulpy coat by maceration. The seeds rarely germinate
until the second year. The el’ergreen species may be increastbd
1)~ cuttings of ripened wood under glass. Varieties are
perpet.uatcd l)y graftage. The veneer-graft, on potted plants, is
usuall~~ ~~tnplo~xvl, I)llt other methods may be successful. Budding
is sonictimes practiced. I. ;f qwifolizcttt and 1. opfr.cf1. are iilostly
used 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 tither
from 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 glass
in light heat and liardwoocl cuttings iA winter.
Inula. Co7r~posifc.t~.
Seeds usually grow readily, e 4ving 1)loomiiig plants the secolltl
year. Old plants may be divided.