What is the difference between true and false cypress?

picture of Zhao Wenjie
Zhao Wenjie
Published:
Updated:

The two names look like the same plant on a garden tag, but they point to different groups. That mix-up is why the true vs false cypress question trips up so many shoppers at the nursery. True cypress is the genus Cupressus, and false cypress is the genus Chamaecyparis. False cypress is the soft, scale-leaved group that most gardeners plant as shrubs around the yard.

True cypress covers the big, often columnar trees you picture lining a driveway. The genus is Cupressus. It holds the ones you know best, such as the Italian, Monterey, and Arizona cypress. These trees grow tall and upright. Many reach 40 feet or more over time. The foliage feels firmer to the touch, and the whole form is bold rather than soft. You plant these for height and a strong shape, not for a tidy little mound by the porch.

False cypress goes the other way. Chamaecyparis has softer, scale-like foliage that drapes in flat sprays. This group gives you dozens of dwarf and shrub-sized cultivars. You can find golden mounds, slim pyramids, and low spreaders that stay knee-high for years. If you want a plant that stays small and feels feathery in your hand, this is the side you want. Most of the cypress sold for foundation beds and small yards comes from here.

Quick Comparison
True Cypress
Cupressus
False Cypress
Chamaecyparis
True Form
Tall, columnar trees
False Form
Soft, dwarf shrubs
Leyland Hybrid
x Cupressocyparis
Bald Cypress
Taxodium, deciduous

There is a third name people run into, and it confuses things more. The popular Leyland cypress is a cross between two genera. Its name on the tag reads x Cupressocyparis leylandii. That little x at the front is the clue. It marks an intergeneric hybrid, which means it pulls traits from two different parent genera. The cross grows fast and dense. That speed is why it became a go-to privacy hedge for decades, and also why it can outgrow a small space in a hurry.

Telling the two apart at the store is easier than it sounds. Skip the common name and read the Latin name on the tag. Chamaecyparis means you are holding the shrub-friendly false cypress group. Cupressus means you have true cypress, and that plant will likely want more room than a shrub bed gives it. The tag does the work for you. If a tag only lists a common name like cypress with no Latin name at all, ask a staff member or check the grower label before you buy.

You can also feel the difference once you know what to expect. Crush a sprig of false cypress between your fingers and it stays soft and gives way. The flat sprays often show a pale, almost white pattern on the underside of the foliage. True cypress feels stiffer, and the foliage sits in denser, rounder clusters. Neither test beats the Latin name, but they help you check that the tag matches the plant in front of you.

So for a soft, shrub-sized plant near the house, reach for false cypress in the Chamaecyparis group. It stays in scale and takes pruning well, so you can shape it without much fuss. Give it decent drainage and steady moisture in its first season, and it settles in fast. Save the Cupressus trees for a spot where a tall, narrow shape works. Think of a property line, a windbreak, or an open focal point with room to climb.

One last name throws people off. Bald cypress is neither of these two. It belongs to Taxodium, a separate genus that drops its needles every fall. So you have three groups, not one: true cypress, false cypress, and the deciduous bald cypress. Match the Latin name to the role you need, and you will pick the right plant the first time.

Read the full article: Cypress Shrub Guide: Best Types and Care

Continue reading