Best Fertilizer For Hemlocks. Quantities depend on a variety of factors. Fertilizers are expensive and their application should be thoughtfully considered. Dig a hole two to three times the size of the Hemlock root ball. Properly applied soil drenches can reduce damage by Phytophthora root rot.
Liquid fertilizer leaches through sandy soil quickly and may need to be applied several times throughout spring and early summer. Root Rot - Many soil fungi attack stressed hemlocks particularly on poorly drained sites. Hemlocks do best with slow-release fertilizers like cottonseed meal or composted chicken manure. Aug 10 2019 A slow release organic fertilizer is the preferred fertilizer for white pine trees Pinus strobus. A soaker hose allows water to trickle down to the root zone and prevent the root ball from drying out. Once the hemlock tree has been established you can add fertilizer to the root system once a year.
In this case an organic nitrogen fertilizer such as cottonseed meal canola meal fish meal or blood meal can be added.
Hemlocks do best with slow-release fertilizers like cottonseed meal or composted chicken manure. If you maintain a layer of organic mulch on the soil under your Hemlock year round it. Hemlock tree Majestic and best looking confiners tree. After they have been planted a year sprinkle an all-purpose slow acting granular fertilizer on the soil under the tree out to 1 or 1½ feet beyond the tips of the branches the drip line. The best care for Canadian hemlock trees includes applying a thick winter mulch. The best soil for hemlock is an organic-rich loam that is acidic and is consistently moist.