Understanding Vocabulary: Abloom

In the early morning, the garden was abloom with vibrant colors. The flowers, which had been sleeping during the winter, were now waking up to greet the sun. Bees buzzed busily, flitting from blossom to blossom, while birds chirped a melodious tune overhead. The sight was truly enchanting, a visual feast for the eyes of any passerby.

In this context, the word abloom most nearly means: