It turns out that having having houseplants or flowers may increase your concentration (i.e., make you a better writer).
Per Scientific American: In a study to be published in the Journal of Environmental Psychology, researchers show that the mere presence of plants in an office setting boosts one’s ability to maintain attention.
And Bio Advanced posted: A study at The Royal College of Agriculture in Circencester, England, found that students demonstrate 70% greater attentiveness when they're taught in rooms containing plants.
However, unlike Nabokov, we suck at identifying flowers; so, we did a post on Reddit's r/whatsthisplant and discovered that, from left to right, we have a vase from Trader Joe's of dianthus', statices and baby's breaths.