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How Often Should You Water an Indoor Japanese Juniper?

Junipers (Juniperus spp.) include a variety of low-growing ground covers and large trees. These conifers do not produce cones, alternatively they grow fleshy, fruits equivalent to berries. The younger foliage is small and prickly, although the mature foliage consists of small overlapping scales. Both types of foliage could appear on the very same plant. Japanese Juniper (Juniperus procumbens) is a ground cover that grows outdoors in U.S. Department of Agriculture plant hardiness zones 4 through 9 or indoors as a bonsai tree. Indoor Japanese Junipers call for satisfactory water, fertilizer, light and pruning to sustain their form.
Watering an Indoor Japanese Juniper

When to Water

When growing the Japanese juniper indoors, enable the soil to dry out slightly among waterings. You can use your finger to test the soil day-to-day, by poking a finger about 1/2 inch into the soil or lay the palm of the hand on the soil -- the palm is a lot more sensitive than fingertips. If the soil feels dry, you need to water the plant. An additional way to test soil for dryness if by placing a rock in the planting; you can lift the rock and really feel if the soil underneath is dry.

How to Water

You may possibly choose to water the Japanese juniper bonsai by placing the tree up to its trunk in a sink or tub of water, and letting it soak for 5 to 10 minutes, or until the bubble trail stops, and then permitting the excess water to drain. If watering by hand, pour water onto the soil, wait for it to absorb and water yet again. Repeat this about three times to let the soil and pot to absorb water, whilst leaving moisture for the plant to absorb.

Results of Incorrect Watering

Over-watering the indoor Japanese juniper can kill the plant. Waterlogged soil can suffocate the plant roots and lead to root death. Too much moisture is also a widespread result in of root rot. If the plant does not get adequate water, it is unable get receive nutrients from the soil and wash out any buildup of excess salts. Roots damaged by over-watering or enabling soil to dry out can be cut away.


Indoor Japanese juniper bonsai require the right humidity to thrive. You can mist the plant's leaves once day to enhance humidity. Other methods include putting the Japanese juniper bonsai on a humidity tray, which is a tray or plate filled with stones and water. Utilizing a humidity tray also aids prevent over-watering since it keeps drainage water from touching the bottom of the pot.