Harvest when the caps are starting to lift from the flowers. According to Faragher et al. (2000), soft tips on spring growth can be a problem and that reducing irrigation may reduce or prevent it.
No specific storage data was located for flowers but as foliage can be stored for up to 4 weeks dry at 35F.
Eucalyptus is from the Greek words “eu” (well) and “kalypto” (to cover), referring to how the calyx forms a cap over the flower bud.
This family is important economically for many edible fruits including guava, rose-apple, spices such as allspice and cloves, timber (eucalyptus) and many ornamental species. Minor toxicity as frequent handling may cause dermatitis.