See how ruscus adds an interesting look even before the flowers are inserted.
Cut longer lengths for the ends of the centerpiece, just as you did with the leather leaf fern.
Remove any damaged leaves, as they will get worse as time passes.
The top viewed side should look smooth and nicely shaped. Browned edges can be trimmed off with scissors.
Insert pieces like these right side up.
Push in only deep enough to be secure the stem. Pushing too deep can cause stems to start pushing into each other.
Clustering leaves looks a little more natural than single leaves scattered all around.
Don't be too perfect in placement, but have a casual approach to your floral arrangements.