Physocarpus Plants: Get a physocarpus brown sugar potted plant. Options: Choose between either one or two physocarpus brown sugar potted plants. Features: A gorgeous plant featuring chocolate brown foliage with a hint of purple. Sizes: Approximate plant height: 10-30cm; Mature height: 80cm; Spread: 1.2 metres. Variety: This plant always changes depending on the season. So first it will start off as a chocolate brown foliage with a hint of purple, then in summer it will be adorned with white-pink flowers, and then in autumn red berries will bloom. How To Take Care Of Your Plant: In order for your plant to truly flourish you must give it as much sunlight as you possibly can. Physocarpus Brown Sugar Plant | Living Social