Lettuce Plants – OutREDgeous The lettuce so easy to grow they grew it in space! OutREDgeous is the first lettuce plant to be grown from seed, harvested and eaten in space! Lettuce Outredgeous is so easy to grow that it’s out of this world! We’ve been struggling not to burst with excitement over this lettuce since the day we heard about it and now we’re bringing it to your garden! This stunning, red romaine lettuce variety is a great colour for adding to salads and has sweet crunch – and did we mention that it’s been grown in space? Harvest late May-late October. Height 20-30cm (8-12); spread 20-30cm (8-12).