As the temperature gradually drops, indoor planting has become a popular choice for many plant enthusiasts. Among hydroponic plants, some possess excellent cold tolerance, capable of not only growing in outdoor environments but also showcasing unique beauty in the harsh winter. This article will provide a detailed introduction to these cold-tolerant hydroponic plants from 15 perspectives.

Conifers
As a common potted plant, conifers are beloved for their height and beautiful form. They are among the earliest tree species used for afforestation and gardening, thus possessing extremely high cold tolerance and able to survive in harsh environments.
Littleleaf Privet
Littleleaf privet is an evergreen shrub widely planted in regions such as Japan, China, and South Korea. They are highly adaptable, able to tolerate cold and drought conditions, and also display beautiful red berries in the winter.

European Beech
The European beech is a tree species widely distributed in Europe and can also grow in North America and Asia. They have strong cold tolerance, able to grow in cold winters and display unique golden-yellow fallen leaves.
China Rose
The China rose is a popular ornamental plant, widely cultivated worldwide for its beautiful flowers and disease resistance. It can grow in low temperatures and retains some green leaves in winter.
Arborvitae
Arborvitae is a plant of the cypress family that can grow in Europe, Asia, and North America. They are evergreen plants that can grow in the harshest winters and are adaptable to different environmental conditions.

Yew
The yew is a coniferous tree native to China, and it is also widely cultivated in countries such as Japan and South Korea. They can grow in low temperatures and display beautiful red berries and unique leaf shapes in the winter.
Azalea
Azaleas are popular ornamental plants, widely planted worldwide for their brilliant flowers and ease of cultivation. They can adapt to different climates and environments, including cold winters.
Cauliflower
Cauliflower is a common vegetable, widely grown globally for its delicious taste and ease of cultivation. They can grow in low temperatures and can still flower in the winter.
Chinese Pistache
The Chinese pistache is a highly cold-tolerant shrub or small tree native to China, Korea, and Japan. They can grow in low temperatures and retain some green leaves in winter.
Pine Tree
The pine tree is a popular potted plant, widely cultivated worldwide for its beautiful shape and ease of cultivation. They can adapt to different environmental conditions and still grow in the harshest winters.
Poplar
The poplar is a common tree species, widely planted globally for its fast growth and ease of cultivation. They can grow in cold winters and display unique fallen leaves.
Rose Moss
Rose moss is a small plant, widely planted worldwide for its beautiful flowers and ease of cultivation. They can adapt to different climates and environments, including cold winters.
Ginkgo
The ginkgo is an ancient tree species native to China and Japan. They have extremely high cold tolerance, able to grow in low temperatures and display unique golden-yellow fallen leaves in winter.
Dragon Cypress
The Dragon Cypress is a common potted plant, widely cultivated worldwide for its beautiful shape and ease of cultivation. They can adapt to different environmental conditions and still grow in the harshest winters.
Crape Myrtle
Crape myrtle is a popular ornamental plant, widely cultivated worldwide for its beautiful flowers and ease of cultivation. It can grow in low temperatures and retains some green leaves in winter.
The above introduces 15 types of hydroponic plants that can adapt to cold environments. They not only can grow in low temperatures but also can show unique beauty in the winter. If you also want to have a green garden in the cold winter, why not try these cold-tolerant plants!