February 13, 1909. 
THE GARDENING WORLD. 
107 
give them a closer appearance. Give a good 
watering occasionally in June, July and 
August, and if your soil is in any way light 
a mulching of 2 in. of well-decayed cow 
manure would keep the soil cool and moist. 
Irises that are well worth cultivating for the 
beauty of their flowers are :•—I. florentina, 
I. germanica, I. g. Purple King, I. pallida 
dalmatica, I. p. Queen of May, 1 . aphylla 
Mme. Chereau, I. a. Mrs. Reuthe, 1 . squalens 
Dr. Bernice, I. variegata Darius, I. v. 
Gracchus, I. albicans Princess of Wales, I. 
amoena Mrs. G. Darwin, I. flavescens, I. 
sambucina, I. sibirica, I. orientalis, I. Mon- 
nieri, I. spuria, I. versicolor, I. laevigata, 
or Japanese Iris, usually known as 
I. Kaempferi. We have included a 
large number of species in the above for the 
sake of variety, but there are many beauti¬ 
ful varieties belonging to a number of them. 
3620. Sweet Peas in Mixture or Sepa¬ 
rately. 
Do you think the best plan to get a large 
number of Sweet Peas is to sow a large quan¬ 
tity of fewer kinds for effect in the garden? 
We used to have a very fine display by sow¬ 
ing long lines of mixed Sweet Peas, which 
iooked like hedges when in full growth and 
bloom. The flowers are much larger now, 
and of better- colours, but would they not be 
equally suitable for making hedges to hide 
the vegetable quarters beyond? I should be 
pleased to hare your opinion. (A. M. T., 
X orthumberland.) 
The large-flowered Sweet Peas are equally 
as suitable for making hedges of mixed 
varieties as the old-fashioned small ones. 
Very few lovers of Sweet Peas nowadays de¬ 
pend on mixtures for their display of Sweet 
Peas. Even for home decoration, modern 
taste demands that one sort, or a few sorts, 
should be used at any given time. More¬ 
over, most lovers of Sweet Peas like to get 
in touch with the different varieties, so that 
they can get the best of any particular 
colour or colours they may desire. For the 
sake of variety, they grow as many as their 
garden can accommodate, and it is of im¬ 
portance to know the names. On the other 
hdnd, it is well to bear in mind that Sweet 
Peas are not all of the same vigour. Some 
of the finer ones are not very strong growers, 
and if sown in mixture, especially if sown 
thickly, they are liable to get crowded out 
during the course of the summer, and in 
any case they would not give you so many 
flowers as they would if sown separately. 
You can also guard against crowding out by 
sowing the seeds 4 in. to 6 in. apart, so that 
each seed will have plenty of room to grow. 
ROSES. 
3 6 21. A Dozen Roses for Poles. 
Would you be good enough to name a 
dozen Roses suitable for growing on tall 
poles ? Some of the ramblers, single and 
double, that flower freely would please me 
well, but I would like to have some others 
with larger flowers of different colours. 
Your assistance would be much appreciated. 
(H. Mitchell, Surrey.) 
Amongst the rambler and Wichuraiana 
type, we should name Lady Gay, Dorothj^ 
Perkins, Crimson Rambler, Hiawatha, Blush 
Rambler and Tausendschon. The above are 
varied in colour, strong growing and suit¬ 
able for tall pillars—that is, for growing on 
poles. Hybrid Teas are very serviceable for 
the same purpose when the climbing ones 
are selected, such as Longworth Rambler 
(crimson), Ards Pillar (velvety crimson), 
Reine Olga de Wurtemburg (light crimson), 
Mme. Alfred Carriere (white with a yellow 
base), and Climbing Mrs. W, J. Grant (rosy 
pink). A Hybrid Perpetual that makes a tall 
climber is Ards Rover (crimson). 
36 2 2. White Matter on Rose Shoots. 
Can you tell me what the white matter is 
on the stems of old shoots of the enclosed, 
and if it is harmful. What would you ad¬ 
vise me to do to get rid of it, if in any way 
injurious? (W. Green, Sussex.) 
The white matter on your Rose leaves is 
the resting stage of the Mildew (Sphaero- 
theca pannosa). The white matter itself 
would not do much harm, as that is prob¬ 
ably all dead long ago, but the resting por¬ 
tions will commence growing again on the 
return of warm weather and affect the same 
plants, as well as others. You can largely 
get rid of the matter at pruning time. The 
shoots infested with the white woolly matter 
should not be thrown down, but burned, 
otherwise the fungus would grow all the 
same, and its spores would be carried about 
by the wind. If your plants get attacked, 
spray them with water and then dust them 
with flowers of sulphur, and if that does not 
effect a complete cure, you should make up a 
solution of sulphide of potassium at the rate 
of ^ oz. to the gallon of water, and thor¬ 
oughly syringe the foliage of your Roses 
with that. Your object should be not to al¬ 
low the fungus to get into its second stage, 
which is very difficult to destroy. 
3623. Scarlet and Fragrant Roses. 
Would you kindly tell me in The Garden¬ 
ing World which you believe are the best of 
the following Roses ? I should like scarlet 
or bright crimson. I like them with a sweet 
-smell, but a good shape. Do you recommend 
these as strong and free-flowering :—(1) 
Hugh Dickson, (2) Captain Hayward, (3) 
Senateur Vaisse, (4) L’ldeal (climbing), (5) 
Ards Pillar? Which is the best sweet-smell- 
HENRY ECKFORD, F.R.H.S 
(Dept. 8), WEM, SHROPSHIRE. 
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