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Macrozamia johnsonii

A large, palm-like species from northeasternmost New South Wales, Australia, where it grows in open forests on poor, rocky soils. It is closely related and generally similar to Macrozamia moorei but stays somewhat smaller, its massive trunk reaching a height of 3 m (10 ft.). It is one of the more cold tolerant Macrozamia and can sustain serious freezes as well as drought conditions. In cultivation it is very rarely seen but easy and adaptable while best suited to warm temperate climates.

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germination comments by our visitors
For general germination instructions click here.

Also see plant cultivation comments below.

Seeds from this species ...

... are easy to germinate and need up to 1 month to sprout.
I left the seeds in the water for 3 days, then I put them on a bed of perlite in a plastic bag with a little water in the botton to have a little wetness, then I put the bag on my office router, it's a electronic device always on and heating at costant 35-40°C. The first seed sprouted in just one week
Submitted on 14/10/2009 by one of our visitors

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plant cultivation comments by our visitors
Also see germination commnets above.

Plants from this species ...

... are of average ornamental value
In Coastal Los Angeles in USA they need average care and grow normal.
This Macrozamia is fairly easy to grow in a Mediterranean climate. It can handle full sun near the coast, but it also does well with lesser exposure. As with all cycads, this plant benefits from soil that drains well. A good commercial cactus mix will work, or you can make your own by adding pumice, sand, perlite, or other aggregate to the organic component. It can be grown outdoors in a pot or the ground. You will see faster growth if planted in the ground. Watering can be done weekly or even less, but I find it does best with more frequent watering and frequently using dilute organic fertilizers during the warmest part of the year.
Submitted on 15/10/2013 by Greg Ginsburg

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by writing a plant cultivation comment about how to cultivate the plants of this species. Click here!

If you wish to read more on palm cultivation, we highly recommend Ornamental Palm Horticulture by Timothy K. Broschat and Alan W. Meerow, available in our bookshop.

Ratings and comments reflect individual experiences and the views of our visitors. They do not necessarily describe the most appropriate methods, nor are they necessarily valid for all seeds or plants of this species. Germination and plant cultivation success depends on many different factors; nevertheless, these experiences will hopefully aid you in your effort to get the best germination results from our seeds and the best growth results from your plants.

We recommend:
The Encyclopedia of Cultivated Palms

The Encyclopedia of Cultivated Palms
by Robert Lee Riffle, Paul Craft, Scott Zona

2nd edition
Completely revised and updated

Hardcover - 528 pages
11 x 8.5 inches

Our rating:
Suitable for: all

The Encyclopedia of Cultivated Palms is the definitive account of all palms that can be grown for ornamental and economic use. Palms are often underutilized as a result of their unfamiliarity—even to tropical gardeners. To help introduce these valuable plants to a new audience, the authors have exhaustively documented every genus in the palm family.
825 species are described in detail, including cold hardiness, water needs, height, and any special requirements. Generously illustrated with more than 900 photos, including photos of several palm species that have never before appeared in a general encyclopedia, The Encyclopedia of Cultivated Palms is as valuable as an identification guide as it is a practical handbook. Interesting snippets of history, ethnobotany, and biology inform the text and make this a lively catalog of these remarkable plants.

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