Winters in Zones 1 to 3 are too harsh for ... The best roses for Zone 4 are often shrub roses. Some cultivars have been bred specifically to improve their winter hardiness, such as the Explorer ...

You don't need to be a master gardener to ensure the roses in your garden make it through cold winter weather unscathed.

When considering how to grow forsythia, note that this shrub is incredibly hardy, and will 'happily grow in US hardiness zones 5 - 8, with some varieties tolerating zones 3 - 4,' says Fern. Whilst ...

Hardy hibiscus options, however, many of which are native to North America, will thrive in cooler zones ... hibiscus shrub. Most hibiscus varieties 'are well-suited for container growing,' Tatiana ...