handled properly. however, it is recommended that colour be visible in one to three florets at time of purchase to help ensure that most florets will open. grading and bunching gladioli, like most spike-type flowers, are very sensitive to the force of gravity, and will always tend to grow away from the ground...
and what isn't. materials needed for each group of four: • small containers for the powder samples, e.g. small beakers • marker pen for writing on the beakers • water cup • - disposable pipettes • watch dishes (small glass dishes) or alternatively jelly jar lids • paper for the tests (optional) • sugar...