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Growcubes make a great soil amendment. If you are not quite ready to give up potting soil, then consider adding Growcubes to your peat or soil... Monday, December 15, 2008 |
Not all cuttings like humidity! Normally when you want to root cuttings you put a clear dome over the cuttings to keep high humidity. The second... Monday, December 08, 2008 |
Growing successfully in Grodan Five tips for successful growing on Grodan: As a general rule, you will not need to water the newly... Monday, December 01, 2008 |
How much should I water? This is probably the most frequent question we get. This is no way of answering this precisely with a short answer. Why... Monday, August 25, 2008 |
Outdoor container planting If planting in containers outside, use absorbent granulated rockwool. It will require less watering than most potting... Monday, August 18, 2008 |
Leave your succulents thirsty Cacti and other succulents growing in Grodan require very little water- even when growing outdoors. Watering once... Monday, August 04, 2008 |
Slabs for raised bed gardens outside Use Grodan slabs to create borders for a raised bed garden. Remove the plastic and anchor the slabs into... Monday, July 07, 2008 |
Pinch your plants to get more flowers Pinch off old dead flowers from plants in order to get more and larger blooms. All... Monday, June 30, 2008 |
Cut back and re-grow! If growing an annual, such as petunias, in Grodan Growcubes, don’t change pots or throw it away when it stops... Monday, June 23, 2008 |
Orchids and Grodan Use up to 30% Grodan Growcubes to bark for a great orchid mix. You can also experiment with absorbent granulate by mixing it... Monday, June 16, 2008 |
Reuse your old Grodan. Don’t throw away your used stonewool! When done, rip your Grodan up into small pieces and pot up a house plant in... Monday, June 09, 2008 |
How to avoid 'green slime' Another word for 'green slime' is algae. When you have a light colored surface moist with nutrients and water, you... Tuesday, June 03, 2008 |
How to keep pH in check when you are not home. pH goes up as the plant grows and absorbs plant food. If you a going to be away for more than a... Monday, May 26, 2008 |
What's up with Organic? Organic is the hot topic these days. The thought behind the idea is good, but the terminology is poorly defined and... Monday, May 19, 2008 |
Ferti-what-shall-man-call-it?? What does the word “Fertigate” mean ? It is known among farmers, but you will not find it in your... Monday, May 12, 2008 |
Why pre-soak Grodan? The purpose of pre-soaking Grodan in pH 5.5 water is to dissolve the lime in the wool. So you soak, then you flush out the... Monday, May 05, 2008 |
More is not necessarily better! This is especially true when it comes to plant food additives. If you add too many different products you will... Monday, April 28, 2008 |
Prevention is better Don’t wait till you get swarms of bugs before doing something. It will require harsh pesticides and you may never get... Monday, April 21, 2008 |
Trouble in Paradise? The store where you purchased your products can help you. You can also send a question to us through the contact us page.... Monday, April 07, 2008 |
OMRI (organic) and Eco label what does it mean ? Organic is the hot topic these days. The thought behind the idea is good, but the terminology... Monday, March 31, 2008 |
Need big plants fast? Instead of starting from seeds or cuttings, you can buy a small plant in soil (1”-6” pot). Rinse of the soil... Monday, March 24, 2008 |
Watering You don’t need a fancy automated system to water your plants in Grodan. You can water by hand. Mix plant food in water and add... Monday, March 17, 2008 |
Keep a diary Consider keeping a journal that lists: the EC, pH, temperature, CO2 & light level each day. This way you can learn from your own... Monday, March 10, 2008 |
Heal curly leaves If the youngest leaves are curled downward, more than likely it indicates a calcium deficiency. If old leaves are curled;... Monday, March 03, 2008 |
Growcubes work great in coco coir If you need a little more aeration in the coco coir that you are using, consider mixing in a little bit of... Monday, February 25, 2008 |
Plants started in Grodan can easily be transplanted into coco coir Use a reputable product such as CocoCanTM Growing Mix which is OMRI certified... Monday, February 18, 2008 |
Tomatoes need calcium too! Calcium deficiency in humans shows itself in bad bones. In tomatoes and bell peppers you get an ugly rot at the... Monday, February 11, 2008 |
Choose the right mother plant for your cuttings First, pick a disease-resistant variety. Make sure it looks healthy and it is free of any... Monday, February 04, 2008 |






