56 MAYFAIR NURSERIES, Box 87, Hillsdale, N. J. 
JASIONE. Sheep Scabious. (Campanulaceae. Bellflower Family) 
Jasione perennis. A showy plant for rock garden, crevices and walls that forms neat 
tufts of long narrow leaves about 3 inches high, from which spring sturdy erect 
stems from 10 to 18 inches high, bearing dense globular heads of dark blue flowers 
from June to August. It is a bit tall but very desirable for its colorful flowers in 
mid-summer. Easy to grow in a well drained garden soil in sun or light shade. 
(pH 6-8) 
JASMINUM., Jasmine. (Oleaceae, Olive Family) 
Jasminum parkerii. A cho'ce and rare spreading dwarf shrub of neat compact habit 
only about 8 inches high. Evergreen pinnate leaves of 3 to 5 leaflets and very 
fragrant, starry flowers of clear yellow in June and July, Th’s handsome little shrub 
comes from the Himalayas and is hardy here but needs protection farther north. It 
suceeds in a well drained garden soil in sun or light shade. (pH 6-8) 
JEFFERSONIA. Twin Leaf. (Berberidaceae, Barberry Family) 
Jeffersonia diphylla. Large 12 inch high clumps of interesting and ornamental light 
bluish green leaves that are divided into two kidney shaped parts. Large snow 
white flowers on 6 to 12 inch stems in April, before the new wine colored leaves are 
completely unfurled. A handsome Eastern American native plant for a shaded nook 
imvaetichy acid. loam, s(phie5-6) 
Jeffersonia dub:a. The Chinese cousin to the one above. Attractive 12 inch clumps of 
leathery, heart shaped green leaves. The edges are irregularly angled with straight 
lines. Lovely cup shaped light blue flowers in April. A rare plant that thrives 
in a rch acid to neutral loam in shade or partial shade. (pH 5-7) ; 
KALMIA. Laurel. (Ericaceae, Heath Family) 
Kalmia angustifolia. (Lambkill) A well known plant to most people in the Eastern 
United States. A dwarf evergreen shrub from one to three fect high with small 
broad oval leathery leaves and large very showy whorls of bright purple pink 
flowers near the ends of the branches in June and July. It spreads by underground 
runners but in cultivation it stays in a dense compact bush. It loves a sandy, acid 
leafmold soil in sun or shade. (pH 4-6) Half shade or filtered sunlight is the best 
exposure, 
Kalmia polifolia microphylla. (Bog Laurel) A charming and rare little shrub with erect, 
very stiff branches and small ova! bluish-green evergreen leaves. Large rosy- 
purple bell shaped flowers at the ends of the branches 'n May. This is the true 
form, native to wet and acid bogs in the Rocky Mountains, however it does well 
in a dryer, acid leafmold soil in partial shade or full sun if the soil is kept moist all 
summer. (pH 4-6) We grow it in the same beds with our Heaths and Heathers. 
Kalmia polifolia rosmarinifolia. A Canadian bog laurel with slender upright branches 
from 12 to 18 inches high with long narrow leaves in loose clumps. Very pretty 
rose-purple wide open bell flowers in loose clusters in May. Same soil and exposure - 
as above. Because of the thin leaves and somewhat rangy growth I recommend 
planting a Heath or Heather with it to give it body. 
LAMIUM, Nettle. (Labiatae, Mint Family) 
Lamium maculatum. A vigorous, somewhat weedy plant that forms large spreading 
clumps of colorful foliage from 6 to 10 inches high, The small oval leaves are dark 
green with a blotch of white in the center of each one. In winter the leaves are 
colored with purple, green; pink and white. It has showy bright lavender flowers 
in spikes from May on through the summer. Easy in any ordinary soil in sun or 
light shade. (pH 6-8) 
Lamium maculatum album. The pure white flowered variety of the preceeding. It is 
the same in all respects except for the color of the flowers. 
LAVENDULA, Lavender, (Labiatae, Mint Family) 
Lavendula officinalis Munstead. An upright, compact shrubby plant from 12 to 18 
inches high and just as broad. It has attractive woolly gray leaves that are fragrant 
when bruised and long spikes of fragrant lavender flowers in June and July. A 
useful evergreen plant from the Mediterranian region that is fne for dry walls 
and sunny rock gardens. Easy to grow in a well drained garden soil in full sun. 
(pH 6-8) This is the plant that produces the lavender scent for bath salts and 
perfumes. 
