Can I prune Sanchezia plant? Two Crape myrtle trees? When? How? As much info as you can supply.
Your Sanchezia plant should be pruned in spring and simply shaped as needed. If it's gotten out of control or way to large, you can cut it back by no more than a third.
As for the crape myrtle trees, these articles should help: https://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/best-crepe-myrtle-pruning-time-when-to-prune-crepe-myrtle.htm
https://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/pruning-crepe-myrtle-trees.htm
After trimming my Sanchezia plants the new growth come in as a solid, pale yellow leaves. What could be causing this? How do i remedy the problem?
This is usually attributed to a nitrogen deficiency. If you have not fertilized then I would look into doing so. This article will give you more information on the care of these: https://www.gardeningknowhow.com/houseplants/sanchezia-plants/sanchezia-growing-information.htm