Which Conifers Can You Plant Near a House?

Choose a conifer that will fit beside the house when mature and suit the ground where it will grow. Start with the future spread rather than the size of the plant in its nursery pot. Allow for the window, gutter, path, access to the wall and room for roots. Once you know what will fit, compare low spreading plants, rounded forms, narrow uprights and trees for an open part of the garden.

Mark out the mature canopy

Ask for the full species and cultivar name, and both height and width. Find out whether the nursery gives dimensions at a certain age or the expected size of an older plant. If the planned canopy is 2 m across and roughly symmetrical, its edge will extend about 1 m from the center. Then allow for the space you need to reach the wall or walk past. That is a canopy calculation rather than a setback for a foundation or utility.

Mark the spread with stakes or string. Walk past with a bucket, try the window and check that doors can open. Think about where a ladder would stand if you need to reach the gutter. Check the path from both directions. The lower branches can extend across paving even though the center of the shrub appears to be well away from it. Near an entrance, check the height and spread of the lowest part of the canopy first.

If you want two distinct plants, draw each mature outline instead of measuring the two pots. Leave space between them for the work you actually need to do. A conifer that has already grown into a wall or path can be hard to reduce neatly. It is easier to start with a form that naturally fits the space than to depend on frequent cutting.

Which shapes work in different places?

For a sunny bed under a window, consider a spreading form of creeping juniper. It still needs room sideways even when it stays close to the ground. Before planting one to cover part of a slope, make sure it can spread without covering a step, a lawn edge or a service cover. Keep space clear where you store a hose or pile snow.

For a single upright accent, compare compact conical forms such as the dwarf Alberta spruce 'Conica'. It grows slowly when young and can continue to gain height over many years. Check its long-term size and give the top room to develop below or away from the roof. If the goal is a narrow screen beside a terrace, check height as well as spread. The guide to choosing a site for arborvitae near a house takes a closer look at a different upright plant.

Standard forms of large spruces belong where there is ample room for the crown and roots. The species form of blue spruce can become a substantial tree. Its mature spread can fill a narrow bed between the wall and a path. If your drawing assumes a named compact cultivar, make sure that exact cultivar appears on the label.

Check the light, water and soil

Sun can heat the soil beside the wall while a roof overhang keeps rain away from the roots. On the other side of the house, a downspout can repeatedly fill a hollow. After rain, look at the soil in the intended spot and a little farther away. If water pools in the bed, correct the runoff or choose another place. The guide to checking soil for conifers can help you compare the sites.

At an exposed garden site in the Ukrainian Steppe, dry wind and a hot south-facing wall can speed up drying. A shaded courtyard with heavy ground can remain wet after prolonged rain. In winter, see where snow lands after sliding from the roof and where you put snow cleared from the path. Those observations help you choose for your actual exposure and work out how to water during establishment.

Ground beside recent construction can vary across a few steps. There may be hard compacted soil or rubble below a thin layer of topsoil. Check how much suitable ground surrounds the future root ball and whether you can water it easily. A narrow crown does not make up for a cramped root area.

Keep access to the house and utilities

Find out where buried cables, water pipes, drains and sewers run before digging. Keep access covers, meters and taps reachable. Where a service route is unknown or a large tree is planned close to a house, check the site requirements locally. A canopy drawing helps with the planting layout. Utility and foundation clearances depend on the property.

Leave room to inspect the bottom of the wall and water the young plant. If the future canopy would take up the entire route, revisit the cultivar choice. Sometimes moving one accent farther from the door and using a lower form near the wall solves the layout. Stakes are a quick way to check whether both plants can fit at the same time.

Three ways to test a layout

A low bed under a window

Mark the point where the mature canopy might start to block light. Leave room to open the window or set up a ladder if you need it. Consider moving the spreading plant toward the open edge if there is enough sun and room on that side. Stand inside the room as well as outside to see how the position works.

A narrow strip beside a terrace

Lay two lengths of string along the planned outline. Walk through the gap, check where you would clear snow and see how you would tie back neighboring plants. A narrow upright can work if it will not meet a gutter, cable or roof edge above. If a solid fence faces the wall, check when light actually reaches that strip.

An open part of the garden

Set aside a separate spot for a larger tree. Consider where its shade will fall at different times, whether the next crown will have room and how you will reach the roots. If a driveway or slope directs runoff toward it, check the ground after rain. Keep in mind the route for a wheelbarrow and any service point you still need to reach years later.

Take a photo of the bed and note the full cultivar name, expected width and height, access space and how you will water. Two young plants can look alike at the nursery but grow very differently. Take the measurements with you so you can compare them on the same basis.

Feeding a conifer after checking its site

Complex fertilizer for coniferous evergreens, granules

If an established conifer has a suitable site and an inspection or soil test identifies a feeding need, consider these DÜNGER granules for conifers and evergreens. Check the instructions for the appropriate stage, age and size. Dwarf cultivars have a specific caution that should be read before selecting an application rate.

The product comes in 1, 3 or 4 kg packs. Record the number and size of the plants and choose a pack to match the confirmed need. If water is standing around the roots or the ground has dried out, correct those conditions and assess the plant again.

Plan the growing zone in My Garden