Cupressus sempervirens – Golden Swanes Conifer

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Cryptomeria japonica (Japanese Cedar) is a medium-sized tree that is native to Japan and southern China. It is widely grown as an ornamental or feature tree in cold and temperate climates. In its native Japan, this species is a popular bonsai specimen and indoors it gives off a pleasant woody, scent. They take some effort to germinate but once sprouted the tree grows quickly in its early years.

Suitable for Cold, Temperate and Sub-Tropical climates.

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Cupressus sempervirens (Golden Swanes) is an evergreen conifer variety that was first developed in Australia in 1944. Golden Swanes are a golden version of the popular Italian Pencil Pines that are widely used to decorate landscape gardens. Commonly grown in tree lines and driveways they are cold hardy, drought tolerant and provide all year round colour. Golden Swanes make excellent screens and are extremely low-maintenance.

Suitable for Cold, Temperate and Sub-Tropical climates.

The Golden Swanes is suitable for all climates south of Brisbane. As a conifer, they can be slow growing and can take around ten years to reach 5 metres (15 feet).

Other common names given include Swanes Golden Pencil Pine and Swanes Golden Italian Cypress.

Check out our other Cypress pages including the Italian Pencil Pine, Arizona Cypress and the Kashmir Cypress.

Growth

Cupressus sempervirens is a slow growing conifer variety that can reach heights of up to 8 metres (25 feet). They are cold hardy to as low as -10°C / 14°F and once established don’t require any watering. Young plants are more challenging and require regular watering especially during summers. On hot days juveniles will extra water and a place that is shaded from the afternoon sun. After their first full winter they are generally able to tolerate a full sun position so spring is an ideal time to transplant into the ground.

Golden Swanes pine needles are pine-scented and fairly soft to the touch. Though gloves are recommended when handling the plants as they excrete a very sticky sap. The trees have flaky, scaly bark and produces spherical female seed cones about the size of a cherry ( 2 cm ).

Unfortunately, this variety is not suitable for tropical climates as they are likely to contract fungal problems which can cause severe damage.

FAMILY:

Cupressaceae

CLIMATE:

Cold – Sub-Tropical

TEMPERATURE RANGE:

-15 to 25°C / -5 to 77°F

SOIL TYPE:

Soil must be well draining.

LOCATION:

Full Sun – Part Shade

HEIGHT:

Up to 8 metres (25 feet)

WIDTH:

Up to 1 metres (3 feet)

pH:

5.0-7.0

GROWTH TYPE:

Evergreen.

WATER REQUIREMENTS:

Medium

POLLINATION:

Wind.

MATURITY:

7-10 years

GERMINATION RATES:

55-85% dependent on length of cold stratification period.

GERMINATION TIME:

Cold stratification for 8-10 weeks, post sowing germination from 3-6 weeks

SEEDS PER GRAM:

Approximately 60

MEDICINAL QUALITIES:

No

WEED POTENTIAL:

No

FACTS ABOUT CUPRESSUS SEMPERVIRENS (Golden Swanes Conifer)

This hybrid variety was developed in 1944 by Swane’s Nursery of Dural, New South Wales.

At the same nursery, it costs around $17 for a Golden Swanes in a 14 cm pot.

Weight 0.5 kg
Dimensions 26 × 16 × .5 cm
Quantity

20 Seeds, 50 Seeds, Seedling

Germination Instructions

HOW TO GROW CUPRESSUS SEMPERVIRENS (Golden Swanes Conifer)


Step 1

Soak seeds for 24 hours in water and place the seeds into a plastic zip-lock with roughly a tablespoon of moist sandy-like soil. It is important that the soil is moist but not wet – if you can squeeze water from the mixture it is too wet. Write the date on the bag and place it into the fridge for 8-10 weeks.

Check weekly to make sure the soil is not drying out. It should be fine if the zip lock is sealed well but best to check because once this process is begun the seeds will not survive if they dry out.

Step 2

Once cold stratification is complete, sow each seed about 3 mm deep into seed trays or small pots of a well draining garden soil and moisten.

Place the trays or pots in a well lit position out of full sun. Be sure to keep soil moist (but not wet) as again Golden Swanes will not tolerate drying out as seeds or seedlings and drought at this stage will kill them quickly.

Average seed germination begins around 3-6 weeks

Step 3

Seedlings can be transplanted once they are around an inch tall if necessary. If sown separately in small pots they can be left until they are slightly root bound and require transplantation.

Step 4

Plant into final position after last frosts have passed. Golden Swanes prefer a full sun position. Once established, this species will survive severe cold to -15°C / -5°F.

Golden Swanes Conifers can take between 7-10 years to reach maturity and require very little maintenance.

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