Blooming now along side the Queen Anne’s lace is the wild fennel. A similar flower but yellow, it is just starting to bloom properly now (late december, early jan) around Bega. I didn’t pick any of this when I stopped, the stalks are too hard to break so I can’t give any advice about their longevity in a vase. I can suggest you bring some secatures.
Here is a small selection of wedding flowers using wild fennel (or wild dill as it has an almost identical flower)