This plant grows regular sized 4-13 oz. tomatoes on a determinate plant that grows to a maximum of 4 feet tall.  Do NOT prune as it will limit your yield. The taste of this tomato is comparable to a Pink Brandywine.
 
"Days: 78
Size: Determinate
Color: Pink
Season: Mid Season
 
Determinate, dwarf (tree-type) plants with regular rugose foliage produce good crops of 4-13 oz., pink beefsteak tomatoes with very delicious, well-balanced flavors.
 
History: Developed 2006-2013 by the members of the Dwarf Tomato Project from a cross between Budai Torpe and Stump of the World made in 2006 by Patrina Nuske Small in Australia and the collaborative work of Patrina Nuske Small (who named it), Craig LeHoullier, Linda Black, Denise Sackett, Justin Morse, Bill Minkey, with input from many others. This variety is associated with the Open Source Seed Initiative (OSSI)." - TomatoFest
 
"Determinate. 78 days, dwarf — An early to mid-season, rugose, regular leaf dwarf plants, producing medium to medium large (four to twelve ounce), oblate fruit that have clear skin and deep-red flesh, therefore a pink variety. 'Rosella Crimson' is vigorous and productive, with an excellent to outstanding flavor, in some seasons approaching 'Pink Brandywine' in quality.Developed by members of the "Dwarf Tomato Project" as a selection out of the "Sleepy family" ('Budai Torpe' and 'Stump of the World', cross made by Patrina Nuske Small during the Australian Summer of 2005/06). 'Rosella Crimson' is the collaborative work of primarily Patrina Nuske Small (who named it), Craig LeHoullier, Linda Black, Denise Sackett, Justin Morse, Bill Minkey, with input from many others. Introduced in 2014." - Victory Seeds