HARDY PERENNIALS AND ROCK PLANTS, continued 
SPIREA (Astilbe) 
Astilbes are ideal, colorful perennials for 
shaded locations in the garden. They also do 
wellin the sun. They prefer rather rich, moisture- 
retaining soil; watering is essential during dry 
weather. Plants bloom freely in June and July 
and the foliage remains attractive for the rest 
of the summer. Height about 2 ft. 
America. Lilac-rose. 
Gladstone. White. 
Gloria superba. Deep rose-pink. 
Peachblossom. Peachblossom-pink. 
Rhineland. Bright cromson. 
*Simplicifolia rosea. A dwarf species with 
pink flowers in June and July. Suitable for 
the shady rock garden or border. 
Any of above 6 varieties, 3 for $2.00; 6 for $3.75; 
12 for $6.75 
Fanal. See color illustration on page 21. 
STATICE (Sea-Lavender) 
jtLatifolia. 2 ft. The large loose heads of pur- 
plish bloom are soft and pleasing in color. 
July, August. 
STOKESIA 
{Blue Moon. 18 in. Giant Iavender blooms 
off and on all summer. Fine for the border. 
Easily grown in sun or part shade. 3 for $1.50; 
6 for $2.75. 
TARRAGON. See page 35. 
THALICTRUM, Lavender Mist. See page 6. 
THERMOPSIS 
jCarolinianma. Carolina Yellow Lupine. 3 ft. 
A good yellow accent plant with spikes of 
pea-like flowers. June, July. 
THYMUS. See page 35. 
TRITOMA (Red-Hot Poker) 
These striking spire-like blooms make effective 
accents in the perennial border and are charming 
in flower arrangements. Plant in a well-drained, 
sunny place and give the plants a light mulch of 
excelsior or any other suitable material for winter 
protection. 
tGlow. A refined variety growing only 18 tnches 
high and producing many coral-red blooms 
in June. Small, graceful foliage. 3 for $1.65; 
6 for $3.00; 65c each. 
tGolden Sceptre. 3 ft. Hardy, vigorous 
variety with saffron-yellow spikes during late 
June and early July. Beautiful planted with 
light blue delphintums. 3 for $1.75; 12 for 
$6.00; 75c each. 
iNew Hybrids. Flowers of various shades of 
cream, yellow, orange, and scarlet, on 2 to 
3-foot spikes, in June and July. See color 
illustration on page 8. 
{Pfitzeri. 3 ft. Orange-scarlet spikes abun- 
dantly produced. August to October. 
{Primrose Beauty. Beautifully formed spikes 
of clean primrose-yellow stand over 3 feet 
tall. Blooms in Jate summer and has been 
surprisingly hardy. 3 for $1.75; 75c each. 
Robin Hood. A new giant hardy Tritoma with 
better color, larger blooms, and more hardi- 
ness than the well-known Red-Hot Poker. 
Strong stiff stems 21% feet high. Blooms freely 
in late summer months. 3 for $2.00; 75c each. 
{Springtime. Pat. 318. Contrasting coral-red 
and cream; blooms in late June and July. 
3 for $1.75; 75c each. 
{White Fairy. 2 ft. An unusually good hybrid. 
The pure white bloom spikes are open and 
graceful. June, July. 3 for $1.75; 75c each. 
{White Giant. 3 to 4 ft. An outstanding 
novelty with extra-large, creamy white 
blooms. Produces almost continuously the 
entire summer. 3 for $2.00; 75c each. 
W. S. Reeves. A new giant Tritoma with 
bloom spikes 8 to 12 inches long. Grows 4 to 
5 feet high. Pure scarlet. Midsummer bloom. 
3 for $2.75; $1.00 each. 


Tradescantia 
TRADESCANTIA (Spiderwort) 
The common old-fashioned forms were known 
to our grandmothers, who had many names for 
them. The hybridizers have been at work im- 
proving them not only in color and size of bloom, 
but they have considerably lengthened the 
period of bloom. 
*Brevicaule. A dwarf species with rose-pink 
flowers. May to July. 
New Tradescantias 
Ideal Plants for Shady Locations 
Sent to us by the U. S. Department of Agriculture 
The descriptions are those of the Department. 
Height 15 to 20 inches. 
Blue Stone. Low-growing. Large, rich blue 
flowers. 
Iris Pritchard. White flowers, heavily stained 
with azure-blue; blue center. Late bloomer. 
James Crawford Weguelin. 18 in. Large 
flowers of a uniform light azure-blue. Very 
pleasing. 
James Stratton. A variety with large flowers, 
21% inches from tip to tip; color deep del- 
phinium-mauve, slightly shaded with rose. 
Leonora. The very fine flowers are a deep rich 
glowing violet. 
Pauline. Flowers are rosy mauve. A vigorous 
variety. 
Purple Dome. A vigorous plant with large 
clusters of rich purple flowers. 
TROLLIUS 
All Trollius prefer rather rich and moist soil, 
and at least partial shade. These giant buttercup- 
like flowers are very showy and create much 
interest. 
Europzus, Pritchard Giant. Showy, very 
large, globe-shaped, orange flowers on 2-foot 
stems during May and June and occasionally 
again in the fall. 3 for $2.00; 6 for $3.75; 
12 for $7.00; 75c each. 
Europzus, Lemon Queen. Similar to the 
above but with Iemon-colored flowers. 3 for 
$2.00; 6 for $3.75; 12 for $7.00; 75c each. 
Europzus Hybrids. Large, globular, Jemon- 
yellow and orange, buttercup-like flowers. 
3 for $1.75; 65c each. 
Ledebouri, Golden Queen. See color illustra- 
tion on page 21. 
TUNICA (Tunic-Flower) 
*Saxifraga alba flore-pleno. 6 in. A rare new 
double white form. 
*Saxifraga rosea flore-pleno. 6 in. Lovely 
double rose-pmk flowers from June to No- 
vember, like a tiny babys-breath. 


VALERIANA 
tCoccinea (Centranthus ruber). 18 to 24 im. 
A grand border plant. Showy rose-colored 
flowers produced freely in May and June, 
with few flowers appearing all through the 
summer. 
VERBASCUM (Mullein) 
Long popular in England, these spire-like 
perennials are a welcome addition to American 
gardens, producing an abundant display of color 
in the summer. 3 feet tall. 
{Cotswold Gem. Tall, slender, branching spikes 
of soft amber-yellow flowers with purple 
centers. 
{Cotswold Queen. A lovely Mullein with tall 
spikes of old-rose and buff-pink flowers. A 
fine background and border plant. 
{Pink Domino. Spikes of rose-pink flowers on 
strong, healthy plants. See color illustration 
on page 8. 3 for $1.50; 6 for $2.75. 
VERBENA, Flame. See page 18. 
VERONICA (Speedwell) 
Showy late spring and summer-blooming plants 
easily grown in any average soil, in full sun or 
partial shade. 
Blue Champion. See color illustration on 
page 18. 
{Blue Peter. This novelty has greatly im- 
pressed us because of its compact growth; 
the spikes of deep blue flowers are borne on 
stiff stems 18 inches long. 3 for $1.50; 12 for 
$5.50; 60c each. 
tBlue Spire. See color illustration on page 12. 
*Incana. 12 in. Silver-gray foliage. Deep blue 
flowers in June. 
*Imcana rosea. Same as above variety, with 
lovely pink flowers. 
tLongifolia subsessilis. Charming summer- 
blooming hardy plant that deserves a place 
in every garden, large or small. Beautiful 
blue flowers in 18 to 24-inch spikes. July to 
September. 
*Rupestris. See color illustration on page 2. 
}Spicata alba. Graceful white flowers on 18- 
inch spikes. June, July. 
*Spicata nana. 61in. An attractive dwarf form 
blooming freely during June. 
*True Blue. 12 in. A lovely deep blue variety. 
Very attractive. May and June. 
VINCA (Periwinkle) 
Minor, Bowles’ Variety. Glossy green foliage. 
Large deep blue flowers. very good 
ground-cover for shady places. 3 for $1.00; 
12 for $3.00; $20.00 per 100. 
VIOLA ODORATA (Sweet Violet) 
Blue Giant. See color illustration on page 18. 
*Double Russian. Very sweet-scented, double 
flowers. Best planted in shade. 
*Rosina. The new pink fragrant Violet. Lovely 
pink and rose shades. Blooms freely in the 
spring and again in the fall. 
*Royal Robe. A distinct addition to the Violet 
family that deserves a place in the shady 
rock garden and as a ground-cover. 
*Semperflorens. This perpetual-flowering va- 
riety blooms in spring, summer and autumn, 
giving quantities of fragrant flowers. The 
plants are hardy and grow well, but seem to 
thrive best in partial shade. Sold out. 
For other Violas, see page 15. 
YUCCA (Adams-Needle) 
Variegata. The foliage is golden variegated, 
resembling the greenhouse Pandanus. Hand- 
some as a specimen plant or for grouping 
effects. White flowers. 3 for $2.00; 6 for $3.75. 
PRICES: Unless otherwise noted, all plants are $1.25 for 3 of one kind; $2.25 for 6 of one kind; $4.25 per doz. of one kind. Single plants, 55c each 
*Indicates alpines or rock plants; with few exceptions these plants are also ideal for broad masses in the foreground 
of your perennial border or for edging. {Indicates varieties which are useful for cutting. 

CARROLL GARDENS, Westminster, Maryland 
