| These soil mixtures should include sand, peat moss, perlite, vermiculite, and fir bark for adequate drainage. |
| To improve drainage without sacrificing nutrients, add sharp sand or perlite to a good sterilized compost-based mix. |
| If the problem is reoccurring for you, think about switching from a peat-based mix to one that only contains perlite and vermiculite. |
| Germinate seeds in containers filled with a sterilized mix of equal parts soil, sphagnum peat moss and perlite. |
| He starts by filling the pot or seed tray with a mixture of seed compost and perlite. |
| Look for one containing vermiculite and perlite, sphagnum peat moss, a little ground bark and sand. |
