The Hypoestes Polka plant is an eye-catching plant with bright, Variegated leaves. One of the most common varieties is the one with green polka dots. The polka dot plant is very easy to grow and reaches a maximum height of about 2 feet. The herbaceous, perennial plant grows well in partial sun exposure and moist but well-drained, acidic soil. They occasionally bloom with small pink or lilac flowers on spikes.