Is rose cold hardiness good? Northern gardeners need to know

North of Beijing, cold hardiness matters when growing roses.

Today's gardeners are serious and cautious, and before buying they all ask: is this variety cold hardy? I grow roses in xx. I appreciate gardeners like this.

- Cold hardiness of roses -

Roses generally withstand low temperatures of -15°C, and this is only a conservative figure.

The cold hardiness of roses is not only related to temperature, but also requires consideration ofthe external environment(gardeners who have lived in both the south and the north know that dry cold and damp cold are two different worlds) andthe condition of the plant itself(large plants tolerate low temperatures better, while small plants are less cold hardy) and other factors.

Having summed up years of growing feedback from gardeners in various regions, one thing is clear:In areas south of Beijing, there is no need at all to consider the cold hardiness of roses, and roses can overwinter safely even without winter protection measures.

In areas north of Beijing, winter temperatures are generally below -20°C, so to prevent frost damage and wind drying, it is recommended to provide winter protection for all rose plants.

PS: In the north, once winter temperatures drop below -15°C, it is not recommended to buy new plants.

- Winter protection measures for roses in the north -

Growing roses in the north involves one more step than in the south: winter protection measures.

The most frightening thing in the north is not only the low temperature, but also the strong wind. Every year, more plants die from wind drying than from freezing, so even after temperatures rise again in spring, you must not relax your vigilance and must always do a good job ofwind protection and moisture retentionwork.

Plant as early as possibleThis helps improve the cold hardiness of the plants; roses planted in spring are noticeably more cold hardy than those planted in autumn or winter.

The problem with growing flowers indoors with heating in the northern winter: high temperatures and insufficient light mean roses grow vigorously but nutrients are scarce, making them prone to dying.

- Recommended cold-hardy varieties -

This yearTianlang Roses plans to grow some roses in Northeast China to test cold hardiness, mainly varieties sold in the shop, varieties used for breeding, and self-bred varieties. We should be able to share the results with everyone around next year!

Based on our experience so far, we have found that Austin rose varieties have fairly good cold hardiness, such as Lady of Shalott, Graham Thomas, Abraham Darby...

Lady of Shalott. Photo: taken at the nursery.

Abraham Darby. Photo: taken at the nursery.

Graham Thomas. Photo: David Austin official website.

In addition, Beijing gardeners have reported that classic old varieties commonly seen in green belts (such as Spectrum) also have very good cold hardiness.

Spectrum. Photo: internet.

Gardeners living north of Beijing

What are your views on the cold hardiness of roses?

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