Does it need to be in water?

It thrives in wet soil but grows perfectly well in average garden soil.

Why are my needles turning brown in autumn?

This is perfectly normal as the tree is deciduous and prepares for winter dormancy.

Plant guide

Bald cypress.

Taxodium distichum

Pronounced tak-SOH-dee-um DIS-tih-kum

Also known as Bald Cypress, Bald Cypress, Swamp Cypress, White Cypress, Tidewater Red Cypress, Gulf Cypress, Red Cypress, Baldcypress, Louisiana-cypress, Marsh-cypress, Swamp Cypress, bald-cypress, swamp-cypress

The bald cypress is a majestic deciduous conifer that loves wet, swampy areas. It is famous for its unique knees that poke up from the soil around the base. You will love how its soft, needle like foliage turns a beautiful copper color in the fall.

Another photo of Bald cypress — Photo by Tony Rebelo (CC BY-SA) via iNaturalist

At a glance

Care level: Easy
Plant type: Coniferous tree
Light: Full sun
Indoor light: Direct sun
Water: Every 1 to 3 days
Mature size: 70 to 100 feet
Growth rate: Medium
Hardiness: USDA 4 to 10
Bloom time: Early to mid spring

Care

Keep the soil consistently moist, as this tree thrives in high humidity and wet conditions. Watch for yellowing needles which might suggest the soil is drying out too much. It is a very hardy tree that does not need much fuss once it is established.

Watering: Keep the soil very moist at all times.
Feeding: Apply a balanced fertilizer once in early spring.
Pruning: Prune only to remove dead or damaged branches during the dormant season.
Repotting: Repot only if you are growing it in a container and it becomes root bound.
Soil: Wet, acidic, sandy, or clay soils
Soil pH: Acidic to neutral
Temperature: -30 to 38°C
Humidity: 50 to 90%
Drought tolerance: Moderate
Lifespan: Long-lived, often exceeding 500 years.
Deer and rabbits: Moderate

Signs it needs repotting

Roots circling the bottom of the pot
Water draining through too quickly
Stunted growth despite regular feeding

Safety

People: The plant is not considered toxic to humans.
Children: The hard, woody cones may pose a minor choking hazard if ingested by small children.
Contact allergens: The foliage can cause mild skin irritation in sensitive individuals.
Airborne allergens: The pollen is a common seasonal allergen.
Edibility: The cones are not considered edible for humans.

How to identify it

Deciduous conifer needles
Fibrous, reddish brown bark
Distinctive woody root knees
Small spherical seed cones

Height: 15 to 35m
Spread: 6 to 12m
Leaves: bright green, russet brown, deciduous
Flowers: yellow, green, 0.5 to 1.5cm
Fruit: brown, Autumn

Problems to watch for

Spider MitesCommon
Twig BlightCommon
BagwormsUncommon
ChlorosisUncommon

By symptom

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Growing it

Propagation: seed, cuttings
When to plant: Spring, Autumn
Overwintering: No special protection is needed as it is fully hardy. Simply ensure the soil remains moist if the winter is exceptionally dry.
In containers: It is not suitable for long term container growth due to its massive size.

Seed

Collect cones in autumn when they turn brown.
Soak seeds in water for 24 hours.
Sow in moist, sandy soil and keep consistently wet.

Plant in groups to mimic natural swamp ecosystems and provide better wind protection.

Grows well with

Buttonbush — They both thrive in the same wet, boggy soil conditions.
Swamp Milkweed — This perennial enjoys the moist margins often found near cypress trees.

Similar species

Dawn Redwood — It is another deciduous conifer with a similar habit and foliage.

Science

Family: Cupressaceae
Genus: Taxodium
Order: Pinales
Class: Pinopsida
Native range: Southeastern United States
Conservation: This species is secure and widely planted throughout its native range.

It is a flood-tolerant species that dominates swampy environments and river floodplains.

Value to wildlife: nesting site for birds, cover for aquatic wildlife
Pollinators: bees
Uses: ornamental shade tree, wetland restoration, timber production

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 5/9
Light: 7/9
Temperature: 6/9
Nutrients: 5/9
Moisture: 8/9

Taxonomy resolved against GBIF.

Questions people ask

Does it need to be in water?: It thrives in wet soil but grows perfectly well in average garden soil.
Why are my needles turning brown in autumn?: This is perfectly normal as the tree is deciduous and prepares for winter dormancy.

Where the name comes from

The genus name Taxodium comes from the Greek word for yew, referring to the needle shape, while distichum describes the two-ranked arrangement of the needles.

Good to know

It is one of the few conifers that loses its needles in winter.
The wood is exceptionally resistant to rot and decay.
It can live for over 600 years in ideal conditions.
The knees are thought to help the tree stabilize in soft, muddy soil.

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This guide was generated with AI and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.