WHAT TO GROW IN ROCK-GARDENS 97 



pinkish and given freely in May and June. Height about 

 Gins. 



Arabis : I need not say much about this well-known 

 plant, most people look upon it as an old friend. It should 

 be planted where it can droop over large stones and should 

 not be near more delicate plants. It should generally 

 be cut back several inches after flowering. It comes freely 

 from seeds or cuttings, can be planted in November or 

 March, and will thrive in a sunny position in most soils. 



Good Varieties. 

 Arabis 



albida (white), April-May . . . . 6 ins. 



albida fl. pi. (double white), April- June 6-9 ins. 



Aubrietioides (pink), March-May . . 3 ins. 

 Arenaria : There are many kinds and they are all 

 suitable for the rock-garden. Try A. grandiflora (4 ins., 

 white, May- July), and A. montana (6 ins., white, April- 

 June). They are not difficult to grow if given an ordinary 

 soil and an open position. 



Armeria ( Thrift or Sea Pink] : It does well in an open 

 sunny position so long as it has a light sandy soil. It can 

 be planted in October or March, or raised from seed sown 

 in April in a frame. When the plants have finished bloom- 

 ing, the flowers should be cut off. Masses of this plant look 

 well. It may also be used as an edging plant. 



Good Varieties. 

 Armeria 



cephalotes (pink), June-July . . . . 12 ins. 

 maritima (pink), May-Aug. . . 6 ins. 



Aster : There are several good alpine varieties suitable 

 for the rock-garden. Try A. alpinus albus (4 ins., white, 

 June), and A. a. speciosus (9 ins., violet, June). Asters 

 do well in sunny positions and ordinary sandy soil. They 

 may be planted during November or March. 



Aubrietia : Considered one of the easiest of all plants 

 to grow in rock-gardens, but it is difficult to get it 

 established in town or suburban gardens. In the country 



H 



