I’ve been brutally digging up roots, some of them 2″ in diameter (any bigger and I think I could make lumber out of them and manufacture hydrangea furniture). Because I can totally picture myself next spring, in the wonder and joy of new growth, letting the volunteer plants go with the idea that I will dig them up and transplant them somewhere else. We moved into a house last fall with some very old and lovely gardens that had been neglected for several years. But what do I know? Several factors can cause a pipe to develop a crack or small leak. Hydrangea trees do not naturally grow into the shape of a tree. Starting off a newly planted tree with occational deep watering will help to develop a deeper root system. Hydrangeas are considered caning shrubs or those that develop new growth/stems - the canes - directly from the root crown and that can over time significantly increase the size of the shrub. The cutting stress stimulates more root growth to release the plant from its confined growing state. I understand that you have to be willing to swallow a fair amount of incredulity when enjoying a lot of fiction, ... Audible book. Thanks so much for the info , I see you don’t monetize your page, don’t waste your traffic, Non-Invasive Root Systems Image Credit: Dan DiSorbo/Demand Media The popularity that Italian cypress (Cupressus sempervirens) enjoys throughout the Mediterranean translates to similar climates in the United States. by the way Kelly, I do believe you are my very FIRST PICTURE COMMENTER! I finally have other kinds of hydrangeas and I definitely don’t think the others (pee gees, etc) are the same at all. Of course, the trick going forward is to actually remember today’s discovery. The milky, white sap may also be a skin irritant or diarrheic in humans. As apple trees germinate from seed, a taproot emerges to anchor the delicate plant into the soil. These rhizomes also produce fibrous roots that are significantly thinner -- they grow downward in search of nutrients and moisture. Thank you for posting! I just discovered that the hydrangea that I brought home from my husbands grandmothers house, which I was pretty sure was an Annabelle, has been spreading and taking over my garden! The silver maple tree root system is large and has very strong roots. The roots can extend out way past the drip line in search of water and nutrients. As the roots enlarge, silver maple trees have been known to crack driveways, pavements, foundations and pipes. I tried pulling them, but to no avail. I don’t think any of ours are the Annabelle variety. I doubt you will get an answer here, but maybe try googling it. A tree recently lost a branch and took out several feet of the growth, but it just made me realize just how much the plants have taken over the side of the house almost to the property line. Iv been to a few friends homes in town and they also have scattered about Hydrangeas in there yard. Thanks to everyone for all of the helpful info! The first year I was sooooo happy that the little sticks that i received filled out so nicely. They should acclimate quickly and send new roots outward for sustenance. Most trees planted in lawn areas whether considered invasive or not will have a tendency to develop more surface roots than if planted in a garden area. They have a huge liquid amber tree in their yard about 50' tall and about 8-10 feet from my fence. There are different varieties of oak trees, but most have shallow spreading roots that may cause damage to house foundations if grown near a house. Invasive roots can damage pathways, driveways and retaining walls, block drains and pipes, cause trip hazards, kill other plants in your garden and damage pools.