# Denver Privacy Trees > Free referral service connecting homeowners in Highlands Ranch, Lone Tree, Castle Pines, Parker and Centennial, Colorado with independent tree planting companies for evergreen privacy screens, who may pay for referrals. Denver Privacy Trees is not a nursery, landscaper or tree planting contractor, has no street address or phone line, and publishes no reviews. Operated by Seventh Heaven Strategy LLC. Facts checked 2026-11-14; every page lists its sources. Key facts (each cited on the linked page): - Colorado State Forest Service: best planting windows are March 15 to June 15 and Sept. 1 to Oct. 15. - CSU Extension: windbreaks go on the north and west; some evergreens in its list are not adapted above 6,000 feet. - Colorado Tree Farm Nursery 2026: planting a balled-and-burlapped evergreen up to 6.5 ft is $225; 10-10.5 ft is $450. - Colorado 811: contacting 811 at least three business days before digging is the law and is free. ## Services - [Privacy tree planting](https://denverprivacytrees.com/privacy-tree-planting/) - [Large evergreen planting](https://denverprivacytrees.com/large-tree-planting/) - [Tree spade transplanting](https://denverprivacytrees.com/tree-spade-transplanting/) - [Narrow screens: juniper and arborvitae](https://denverprivacytrees.com/arborvitae-and-juniper-screens/) - [Windbreak planting](https://denverprivacytrees.com/windbreak-planting/) - [Watering and care for new trees](https://denverprivacytrees.com/new-tree-watering-and-care/) - [Privacy tree cost](https://denverprivacytrees.com/privacy-tree-cost/) - [Planting rules: HOA, 811 and watering](https://denverprivacytrees.com/planting-rules-hoa-811/) ## Guides - [Best privacy trees for the south Denver suburbs](https://denverprivacytrees.com/best-privacy-trees-colorado/): Mature sizes from CSU Extension, the 6,000-foot caveat, and why Lone Tree says not to rely on one species. - [When to plant evergreens here](https://denverprivacytrees.com/when-to-plant-evergreens/): The spring and fall planting windows, why fall is riskier for evergreens, and winter watering. - [Comparing tree planting quotes](https://denverprivacytrees.com/comparing-planting-quotes/): A line-by-line checklist: species, height, root ball, what planting includes, access fees and guarantees. ## Areas - [Highlands Ranch](https://denverprivacytrees.com/areas/highlands-ranch/) - [Lone Tree](https://denverprivacytrees.com/areas/lone-tree/) - [Castle Pines](https://denverprivacytrees.com/areas/castle-pines/) - [Parker](https://denverprivacytrees.com/areas/parker/) - [Centennial](https://denverprivacytrees.com/areas/centennial/) ## About - [How it works](https://denverprivacytrees.com/how-it-works/) - [About this referral service](https://denverprivacytrees.com/about/) - [For tree planting companies](https://denverprivacytrees.com/for-businesses/) - [FAQ](https://denverprivacytrees.com/faq/)