Tender perennials are perennials in the sense that they live for more than one year.

纤弱多年生是自身寿命超过一年多年生。

So that's an example of a perennial.

这就是多年生例子。

So, an example of a perennial would be roses.

因此，多年生一个例子是玫瑰。

Perennial species don't have the same regular cycles of seed production as annuals.

：多年生子生产周期与一年生不同。

Perennials to grow and cut include bee balm, coneflower, fox glove, lily, and rose.

并剪下来多年生香蜂花、金光菊、毛地黄、百合和玫瑰。

[Sam] These grasses are what we call perennial grasses.

- [Sam] 这些草就是我们所说多年生草。

When food is in short supply in the cold, winter climate, leave flowering perennial plants out for birds to eat.

在寒冷冬季，食短缺，全年开花多年生留下来给鸟吃。

The most famous monocarpic  perennial is probably bamboo, which can stay in its vegetative  state for up to 100 years.

最著名多年生单果能是竹子，它以保持状态长达 100 年。

I'm especially interested in the potential of perennial grain crops, which are being developed in particular by The Land Institute in Salina, Kansas.

我最感兴趣是多年生作发展潜力，堪萨斯州萨利纳土地研究所正潜心开发这类作。

The descriptions often include whether specific kinds of flowers, from perennials, annuals or tender perennials, work well for cutting and showing.

描述通常以下内容：特定类花是否适合剪下来并展示，不管是多年生、一年生还是纤弱多年生。

And it's actually not a perennial here but we can get it to overwinter, which is awesome because we get a much earlier harvest.

实际上不是这里多年生，但我们以让它越冬，这很棒，因为我们以提前收获。

The air had died in the cypresses in the courtyard, in the pale trappings of the bedrooms, in the dripping archways of the garden of perennials.

院子里柏树、卧室苍白装饰、长满多年生花园里滴水拱门里，空气都死了。

He got together with a group of scientists, and they bred perennial grain crops which have deep roots that anchor the fertile topsoil of a farm, preventing erosion and protecting future harvests.

他与一群科学家聚在一起，他们培育出多年生粮食作， 这些作根深蒂固， 以固定农场肥沃表土， 防止侵蚀并保护未来收成。