Journal, Seedex, Speakers, Sales, Workshops and more -- Join!

There are always great plants and super bargains at our sales. This one is on April 9. Details

At 11 am to 4 pm on March 12 at TBG. Free admission. Non-members welcome. Details

We'll have many choice plants which are seldom available at garden centres. Details

On April 9 at TBG. Free Admission. Non-members welcome. Details

Pulsatillas are a favourite in spring gardens. Read more


There will still be plant labels, glassine envelopes and large pots with matching trays available for purchase on March 12. There probably will be a few plug trays.  As well, there will be sheets of 10 cell packs, each unit containing 6 cells. We have only 100 small pots (deep, 2.6" square) and 2 matching trays available. If you want to reserve these last small pots and trays info [at] onrockgarden [dot] com (contact us).


It's exciting to see the great vendors participating in this years sale. View

What's New!

  • Posted on February 20, 2017

    NARGS plans to create a feature to attract potential rock gardeners by posting on its website lists of plants that are easily grown and accessible. The list on NARGS will be linked to the ORG&HPS website, so that browsers can eventually become our new members. It is sometimes hard for a newbie to know where to begin: which plants are worth buying and trying to grow (with a reasonable expectation of success) and which plants are easy to find (either at local garden centers and nurseries, or online). For the plant lists to be optimally useful, users will need to be able to compare their own weather patterns and soils to those submitted by chapters around North America. Contribute your suggestions of 20 – or even more – plants along with whatever information you care to add about how you grow your plants by contacting Anna Leggatt or info [at] onrockgarden [dot] com (contact us).

  • Posted on February 16, 2017

    Crassula 'Springtime'

    Check out this updated website! You can now order succulents, begonias, pelargoniums and cannas on-line from ORG&HPS members, Derek and Jeff.

  • Posted on February 10, 2017
  • Posted on January 29, 2017

    In 2016 Lost Horizons made many improvements in the nursery, rehabilitated the entrance gardens and extended gardens along the creek. They'll reopen in April. Check out their catalogue.

  • Posted on January 28, 2017


    Robert Pavlis, editor of our Plant of the Month page, has just published his book, Garden Myths. Later this spring, his book, Building Natural Ponds, will be released. If you like the book, consider adding a review to   Details 

Upcoming Speakers

Plant Highlights from My Travels Around the World

Anna Leggatt

Anna has a BSc. in Botany from London University, a Diploma in Nature Interpretation from Humber College and a Diploma in Horticulture from Guelph. She is currently employed as a part time Nature Interpreter at the Kortright Centre for Conservation...

My Accidental Scree Garden

Miriam Goldberger

Long before “Sustainable” became a powerful buzzword, Miriam Goldberger began growing wildflowers. A flower farmer since 1986, Miriam is an expert in organic and sustainable gardening. She is the founder and co-owner of Wildflower Farm, a wildflower...

Plant of the Month for February, 2017

 (pul-sa-TIL-uh  ste–ree-A-ka)

General Information:

Pulsatilla are great rock garden plants and any species or cultivar will make a good addition to your garden. They all flower early, and then produce lovely hairy seed heads. Pulsatilla styriaca is one of the earliest pulsatilla to bloom.

Pulsatilla styriaca, by Robert Pavlis

Pulsatilla styriaca, just starting to open:photo by Robert Pavlis

The plant in the pictures was grown from seed obtained...