Ordering Information


Here are a few things to know about our comprehensive catalogue, ordering and payment processes to help improve your shopping experience.

If you need any help, please feel free to get in touch with us on info@silverhillseeds.co.za or +27 21 705 4226 and we will gladly assist you.


Seeds: The catalogue is divided into different categories, for example Annuals, Perennials, Trees and Shrubs, Bulbs, Succulents and so on. If you choose a particular category, you will be able to browse through all the plants listed in that group.

If you are looking for a specific plant or know the family it belongs to, you can use the search bar.

You can also do a more detailed search based on the contents of the description field. You can for example search for “edible” or “yellow” or “Zone 8”.

Books: The books are listed and have “TAGS” eg: Regional Flower Guide, Succulents, Protea, Reference etc.  They can be searched for by Author or Title.

If you are looking for a book or Author, you can use the search bar. 

Seeds: To order seeds please search for what seed you would like.  In most cases we sell seeds per packet, however in some instances you can order per 100 seeds, per gram or per seed.  If there is no option for 100 seeds, we can only supply packets of seeds.

If you wish to change the number of seeds or packets ordered, please change the quantity in the basket.

Books: Please search for the book you require and add to your basket

When you order, please make sure that your name, address, telephone number and email address are clearly indicated.

We will send you an invoice once the freight has been finalised.

Your order will then be sent on receipt of your payment.

International:  Postage is a minimum of £6 or $9.50, this depends on the weight of your parcel.

South Africa: If you live in South Africa, we will send your order via Postnet-to-Postnet or Courier and the cost is between R120 and R150.

International: Payment can be made by Paypal or Payfast.  Payfast payments – please request a link.

If you would like to do a SWIFT payment, we have to add additional add bank charges.  Please email us and request the details.

South Africa: Payment can be paid by EFT.  Bank details will be sent with your invoice.

We do not have Credit Card facilities.


Sowing times for all species have been inserted into the catalogue. At the end of each description, it will say “Sow Spring”, or “Sow Autumn”. These instructions pertain to South African conditions.

The plants marked “Sow Spring” are summer growing from the summer rainfall area and they usually require a drier resting period in winter. These species are best sown in late spring to midsummer when conditions are warmer.

The plants marked “Sow Autumn” are from the Mediterranean winter rainfall area of the Cape. They grow in winter & usually need drier conditions in summer.

For those of you who live in the higher latitudes (above 40°) the plants marked “Sow Autumn” should probably be sown in early spring. However, remember that the majority of the species from our Mediterranean area need a marked temperature differentiation between day & night, (day ±25°C, night ±8°C) to trigger germination. Therefore do not try to germinate these seeds in a constant temperature hot or glasshouse. 

In the plant descriptions in the catalogue, reference is made to the USDA Zones. 

Here is a list of the Zones and the temperatures to which they refer. If for example, we have described a plant as USDA Zone 7, this means that the plant can probably tolerate temperatures to about -18°C

  • Zone 6: -10 to 0°F or -23 to -18°C;
  • Zone 7: 0 to 10°F or -18 to -12°C ;
  • Zone 8: 10 to 20°F or -12 to -7°C;
  • Zone 9: 20 to 30°F or -7 to -1°C;
  • Zone 10: 30 to 40°F or -1 to 4°C;
  • Zone 11: above 40°F or above 4°C.