Collapsible plant dome device comprising a transparent canopy, a collapsible frame mounted on a central support member and comprising a plurality of support arms carrying the transparent canopy, a pair of diametrically opposed vent mesh openings disposed within a sidewall of the transparent canopy, a pair of diametrically opposed vent flaps each pivotally connected to a respective horizontal upper edge of each of the diametrically opposed vent mesh openings for covering and uncovering each of the diametrically opposed vent mesh openings in respective closed and open vent configurations, and at least one pair of tie down rings each interiorly mounted on a different one of a diametrically opposed pair of the plurality of support arms. In one embodiment, the device comprises a transparent skirt detachably coupled to an interior side of the transparent canopy for forming an imbricated transparent domed canopy and skirt plant enclosure.
