How tall can you grow this amazing sunflower? Water and feed it well and support it against a wall or with a long cane. You can use your tape measure to record how quickly your sunflower grows and you could well beat the height we put on the packet – so get growing! FUN TO GROW - A fun, educational way to get children growing flowers and veg. Great for party bags or christmas stockings! Fun growing indoor and outdoors! FREE stickers, magnifying glass and measuring tape inside certain packets of seeds contents may vary