A plant cultivation container comprising: a cup formed with at least one window； a set of inner cups disposed in the outer cup for planting； and an accommodation space formed between the outer cup and the bottom surface of the inner cup； a floating plate disposed in the accommodating space, the floating plate is selectively reciprocally moved up and down relative to the outer cup in the accommodating space according to the level of the water level in the accommodating space； The floating plate is located at an interlocking structure between the inner side wall of the outer cup and the outer side wall of the inner cup, and the top of the interlocking structure has a view board corresponding to the at least one window； the view board and the view board The floating plates are interlocked with each other to selectively reciprocate up and down relative to the at least one window and selectively shield the at least one window, and the view panel shields an area of the at least one window and a water level in the accommodating space In direct proportion.一種植物栽培容器，包括：一形成有至少一視窗之外杯；一組設於該外杯中並供栽種植物用之內杯；該外杯與內杯的底面之間形成有一容置空間；一環設於該容置空間中之浮板，該浮板係依該容置空間中水位的高低，於該容置空間中選擇性地相對於該外杯作往復式上下移動；一裝設於該浮板上並位於該外杯之內側壁與內杯之外側壁間之連動結構，該連動結構之頂部係具有一視板，該視板係對應於該至少一視窗設置；該視板與該浮板互相連動，而選擇性地相對於該至少一視窗上下往復移動並選擇性地遮蔽該至少一視窗，且該視板遮蔽該至少一視窗之面積係與該容置空間中的水位高度成正比。
