I have a very healthy oxalis plant that I've just re-potted. While digging up the tubers, I found a few that were not like the others. They were dark and smooth with roots, and firm. What were they?

The roots grow deep and can become very big. Note that the tree grows a vertical root, and then smaller roots from the main root.

Strip it down to about 5 growing stems. Remove the lower leaves in July to help air circulation and feed with tomato food once a week (at half strength). Don't...

A young stem will root faster. An old thick stem is unlikely to produce roots. Propagating a rhododendron from a cutting requires careful conditions and patience. It can take 3...

The best is to divide the clump every two years. This way, you will propagate the flowers while ensuring a big number of flowers per clump.

Rake used coffee grounds through the soil, at least 6 inches deep. If your plants are vulnerable to acidity, throw in some agricultural lime.

In my opinion, wax is the ultimate preserver. There are waxes that are meant for this very purpose. Another way is to use candle wax--you can buy blocks of carnauba...

A small pot size is most likely the culprit. If the agave has no space on the sides, it may get longer but not wider. Use a pot that leaves...

Try putting two apples and a ripe banana in the bag with the pears for a couple of days. Seal your brown paper bag and store in a dark place.

They are doing this because you are letting them be overly friendly. You have no boundaries or discipline established with them, which needs to start NOW. Otherwise, when they're a...

The first is correct.