User blog comment:Spectra999/Is this a good strategy?/@comment-4131092-20110718164235/@comment-4173204-20110722020904

No. If you replace the Umbrella, the Gloom-shrooms could be taken, and that cost 300 suns, and the Fume-shroom cost 150 suns too(it's Pool, not Night nor Fog), while the Umbrella Leaf cost 100 each only.