| One of the earliest methods used to increase yield and hardiness was the domestication of plants. |
| The lethality, hardiness, and ease of production of the anthrax bacteria have made it a mainstay of known BW programs. |
| Although there are other genistas suitable for the rock garden, the species vary in hardiness and habit. |
| While we wondered at their street-corner, street-clothed hardiness a couple of other toughies turned up. |
| Select high-yielding varieties with good straw strength, winter hardiness, and resistance to the important diseases in your area. |
| We have trialed a number of achimenes for winter hardiness and are always thrilled when we find another cultivar to add to our list. |
