Plant TalkVinca How to Grow Planting Hard to Please Vinca Flowers from Seed By Sumit - June 23, 2011 0 14318 Share on Facebook Tweet on Twitter Growing vinca from seed can be a challenge, until recently I have had some issues growing, now have discovered that using a fungicide drench when planting can increase your success. #dianemummgardenvideos 0.00 avg. rating (0% score) - 0 votes