Diy Plant Water Globe . 1/4 inch wood drill bit. To use a plant watering globe, simply fill the globe up with water, then invert it and push the long thin neck of the globe into the soil. 15 DIY Watering Globes Ideas For Busy Gardeners Balcony Garden Web from balconygardenweb.com Watering globes, plant nannies, and other waterers can be expensive, so here's a way. Soda bottle watering planter trick. This recycled watering globe made from a wine bottle is saving my jasmine from last year's drought.