6 
FERNDALE NURSERY—ASKOV, MINNESOTA, 1940 
Marsh Fern (dryopteris thelepteris)—M— 
The Marsh fern seems to flourish equally well in sub-acid or neutral 
soil and to be quite indifferent to sun or shade. The roots should be 
covered with not more than one-half inch of leaf-mold, muck or pul¬ 
verized peat. Each 20c; 3 for 50c; 10 for $1.50—Prepaid each 30c; 
3 for 75c; 10 for $2.00. 
Ostrich Fern (pteris nodulosa)—RS—Foundation. 
This magnificent fern has been called “The Palm of the North.” The 
fronds are six to ten inches wide and grow from a crown to a height of 
five feet. A very erect and handsome species. This graceful plant 
luxuriates in good mellow soil subject to annual overflow. The fronds 
suggest the Lady Fern, but the fertile fronds are dark green. It is the 
tallest growing of our Northern hardy ferns. If planted in moist, light 
soil and well mulched with peat or leaf-mold it will multiply by under¬ 
ground runners. Each 20c; 3 for 50c; 10 for $1.50—Prepaid each 30c; 
3 for 75c; 10 for $2.00. 
Polypodium Common (polypodium vulgaris)—R— 
Fronds 4 to 8 inches long. This interesting fern grows in dense masses, 
clinging to rocks and boulders and on steep hillsides. Each 20c; 3 for 
50c; 10 for $1.50—Prepaid each 30c; 3 for 75c; 10 for $2.00. 
Royal Fern (osmundo regalis)—M— 
Pale green fronds two to three feet in height. Prefer moist, shady loca¬ 
tion. Can be grown in shallow, still water or boggy* soil. Each 25c; 3 
for 70c; 10 for $2.00—Prepaid each 40c; 3 for $1.00; 10 for $2.50. 
Sensitive Fern (onoclea sensibilis)—RMO—Foundation. 
Grows 6 to 30 inches in height, depending on moisture. Prefer rather 
moist places. If planted 12 inches apart will form a dense mat. Cover 
with one-half inch of soil. Each 20c; 3 for 50c; 10 for $1.50—Prepaid 
each 30c; 3 for 70c; 10 for $2.00. 
Toothed Wood Fern (dryopteris spinulosa)—M— 
Fronds one to three feet, remaining green all winter. Crown should be 
planted level with top of soil. Each 20c; 3 for 50c; 10 for $1.50—Prepaid 
each 30c; 3 for 70c; 10 for $2.00. 
Winged Wood Fern (dryopteris hexagonopteris)—RSM— 
A tiny little fern for moist and dense shady nook. Fronds 3 to 4 inches. 
Each 20c; 3 for 50c; 10 for $1.50—Prepaid each 30c; 3 for 70c; 10 for $2.00. 
Rusty Woodsia (woodsia ilvensis)—R— 
This odd and extremely attractive little fern grows in dense clumps 
on exposed summits and steep, rocky cliffs in full sun. A very rare 
and interesting little fern. Each 35c—Prepaid each 50c. 
Woodsia Obtusa—R— 
At home on bare, shady rock ledges. Fronds 6 to 15 inches long. Each 
35c—Prepaid each 50c. 
Ebony Spleenwort (asplenium ebeneum)—R— 
A very lovely little rock fern with shining, nearly black stalks. Excel¬ 
lent for rock gardens and rock walls, 8 to 12 inches. Each 35c—Prepaid 
each 50c. 
