Sargent's cypress
Hesperocyparis sargentii
Last reviewed: September 2026

Toxicity unknown
Sargent's cypress (Hesperocyparis sargentii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
240"–720" H × 180"–360" W
Bloom
Feb, Mar
Native to
CA
Pollinators
wind pollinated
Before you buy
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A columnar to pyramidal evergreen conifer with dense scale-like foliage and small woody cones that can persist unopened for years. Naturally restricted to serpentine soils, but adaptable and long-lived in cultivation.
Wildlife value
Dense year-round foliage provides nesting sites and shelter for birds, and the seed cones are a food source for small mammals and birds.
Common questions
- How much sun does Sargent's cypress need?
- Sargent's cypress grows best in full sun conditions.
- When does Sargent's cypress bloom?
- Sargent's cypress blooms in February and March.
- Where is Sargent's cypress native?
- Sargent's cypress (Hesperocyparis sargentii) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Sargent's cypress attract?
- Sargent's cypress draws wind pollinated.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
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