what does " as wick as wick can be" mean?
“Things are crowding up out of the earth,” she ran on in a hurry. “And there are flowers uncurling and buds on everything and the green veil has covered nearly all the gray and the birds are in such a hurry about their nests for fear they may be too late that some of them are even fighting for places in the secret garden. And the rose-bushes look as wick as wick can be, and there are primroses in the lanes and woods, and the seeds we planted are up, and Dickon has brought the fox and the crow and the squirrels and a new-born lamb.”