Propagation
Prepare the seed by removing the outer fleshy layer and pre soak the seeds for 24 hours prior to sowing in spring in a sandy mix with perlite and pot up into deep pots maintaining 20º to 30ºC (68º - 86ºF) temperature.
Remove offsets during spring but transplanting may be difficult.

Note:
In cold climates this cycad is grown in a conservatory or glasshouse and is planted in deep pots with equal parts of loam and coarse sand with some granulated bark and the addition of slow-release fertiliser. It should be placed in a bright filtered light, humid position and watered regularly during summer.

Botanic information
Leaf: The mid-green pinnate leaves have 13 to 30 pairs of linear to lanceolate or oblong leathery textured leaflets that are up to 250mm (9¾ in) long by 20mm (¾ in) wide. The margins are serrated in the upper half with 10-15 teeth and the acute apex is deeply cleft. The long petiole is spiny and there are up to 15-leaves are arranged in a rosette.  

Flower: The small cylindrical male cones are up to 200mm (4 in) long and often appear in clusters. The elongated-ovoid female cones are cylindrical up to127mm (5 in) long and are covered in brownish-green hexangular scales. They appear on a short thickish pubescent scape during summer on a different plant to the male (dioecious).

Fruit: The reddish felt-like female cone has an acuminate apex and contains ovoid orange-red seeds that are viable but the plant may be reproduced vegetatively.