GPS Products
Quality Quebec products at bulk prices
Partners
from start to finish
Store opening hours
Monday to Friday 8:00 a.m. to 5:00 p.m. *
May and June
Open Saturday
from 8 a.m. to 3 p.m.
The rest of the year
Loading availability
Monday to Friday
8 a.m. to 10 a.m. and
3 p.m. to 5 p.m.
Saturday 8 a.m. to 3 p.m. May and June
Contact us at
1-866-477-6940
to order these products now.
Bulk products available now
GPS Constructions is proud to offer several quality Quebec products in bulk for all your landscaping and vegetable garden projects.
Contact us by phone at 1-866-477-6940 to place an order. All our products are delivered from our office in Brome Lake.
Quantity Estimator
Feel free to use our quantity estimator to estimate the amount of material you need for your project.
Contact us for more information.
Feel free to use our quantity The bulk estimator gives an approximate value of the quantities necessary for your project.
GPS quality landscaping products
Specialized tools/products for professionals
Great North Hardscape authorised distributor, visit our shop!
GNH Tools and products
- Paver Edge
- Jointing Material
- Sealers & Cleaners
- Adhesives
- Grids & Fabrics
- Structural Base Systems
- Hardscape & Porcelain Tools
- Hardscape Clamps
- Suction Equipment
- Track Equipment
- Compaction Equipment
- Pounding Equipment
- Wheelbarrows
- Garden Edge
- Landscape Lighting
- Site Survey EQ & Hand Tools
- Accessories
We also offer:
- Specialized rakes, tongs, extractors, rulers, etc. for rock/pavers,
- Sealants, cleaners, glue for stone/pavers,
- Polymer sands, landscape levels, hammers,
- Paving stone/plastic strip/aluminum edging
- and more...
Sowing calendar
We offer you a seeding calendar for various plants for your information so that you can plant and seed your plants in a timely manner in our region. Note that several hardiness zones are present in our region as well as certain microclimate zones. Adjust the calendar according to your reality. Happy gardening!
| Plants | Indoor sowing | Outdoor sowing | Outdoor planting |
|---|---|---|---|
| Garlic | Oct. or early May | ||
| Eggplant | End of March | Early June | |
| Swiss chard | Mid-April | Mid-May | Mid-May |
| Beetroot | Mid-May | ||
| Broccoli | Mid-April | May | |
| Carrot | Mid-May | ||
| Celery | Mid-March | Mid to end of May | |
| Celeriac | Mid-March | Mid to end of May | |
| Ground cherry | End of March | Early June | |
| Chicory | Early July | ||
| Chinese cabbage | Early July | ||
| Brussels sprout | Mid-April | Mid to end of May | |
| Siam Cabbage | Mid-May | ||
| Cauliflower | Mid-April | End of May | |
| Soy cabbage | Mid-April | May | |
| Chives | March | Mid-May | Early June |
| Pumpkin | Early May | Mid-May | Early June |
| Cucumber | Early May | End of May | Early June |
| Spring Shallot | Early May | ||
| Autumn shallot | End of August | ||
| Spinach | Mid-May | ||
| Beans (yellow or green) | End of May to end of June | ||
| Curly lettuce | Mid-April | Early May | End of May |
| Head lettuce | Mid-April | End of May | |
| Corn | Mid-May | ||
| Netted melon | Mid to end of April | Early June | |
| Watermelon | Mid to end of April | Early June | |
| Turnip | Mid-May | ||
| Onion | Early March | Mid-May (to be booted) | |
| Parsnip | Mid-May | ||
| Parsley | Early March | Early May | Early May |
| Chilli (pepper) | End of March | Early June | |
| Poireau | Early March | Early May | |
| Peas | Mid-May | ||
| Potato | Early May | ||
| Radish | May-June | ||
| Salsify | Mid-May | ||
| Tomato | Late March to mid-April | Early June |