Just because summer's winding down doesn't mean that guerilla gardening needs to slow down anytime soon! Fall is actually the ideal time to plant all kinds of flower bulbs and seed that will sleep sweetly
The typical seed bomb explodes in slow motion -- the ball of compost, mud, and seeds dissolves as the plants sprout and colonize the bomb site. These flower grenades from suckUK explode very literally.
Think you need an open plot of land with plenty of soil in order to cultivate a garden? Think again. CMG Landscape Architecture's Cracked Concrete Garden proves that many plants have a way of surviving