1.   As the plant grows, the roots also increase in size.

2.   Coarser gravel would not need it, but fine gravel is easier for plants to grow their roots through.

3.   Given strong light, the plant will grow stronger, with deep coloration.

4.   How well your plants will grow depends on the quality and condition of the soil.

5.   If the plant grows emersed, the leaves are dark green, stiff, leathery, sappy and very acutely branched.

6.   On the whole, Chris finds his plants grow better using normal light bulbs, rather than fluorescent tubes.

7.   One little plant grew at the foot of an old, bare rock.

8.   Pinch out any side shoots to make the plant grow upwards.

9.   Plants grow towards the sun.