How do you fertilize black pine?
Pines usually do not require fertilizer. Fertilize the tree if its needles are yellowing, however. Use 2 pounds of 10-10-10, granular fertilizer per every 1 inch of trunk diameter if the tree is large, or use 2 pounds of the 10-10-10, granular fertilizer per 100 square feet of root zone soil area.
When should I fertilize my Japanese black pine bonsai?
February-March: begin feeding when daytime temperatures reach the 60s (Fahrenheit) March-April: increase the amount of fertilizer on the tree until the surface of the soil is covered with fertilizer. May-July: remove fertilizer at decandling time. June-August: begin feeding 30 days after decandling.
How do you care for a Japanese black pine bonsai tree?
It does not grow well in continuously moist soil. The Japanese Black Pine bonsai tree has to be planted in a pot with good soil. This is soil with good water drainage and water and nutrient retention. This should be watered daily and more frequently during warm water or when grown outdoors.
Why is my Japanese black pine turning brown?
In years of heavy rain or extreme drought, pine trees may brown in response. Browning is often caused by an inability of the pine tree to uptake enough water to keep its needles alive. When moisture is overly abundant and drainage is poor, root rot is often the culprit.
What do you feed a pine bonsai tree?
FEEDING The normal recommendation for feeding pines is to feed with a low-nitrogen fertiliser once in Spring and then to withdraw all feed until new needles have hardened off in late-Spring. The idea being that by ‘starving’ the tree, needle length will be reduced.
Why is my Japanese black pine turning yellow?
This is a common sign of overwatering or overwatering coupled with under-fertilizing. Letting the tree dry out more between waterings and fertilizing if the tree hasn’t been fertilized recently can take care of the problem within a matter of weeks during the growing season.
How long does it take Japanese black pine to germinate?
10-14 days
Germination will begin within a 10-14 days of sowing. The seedlings are reasonably robust and trouble free and usually grow to a height of between 3 and 10 cm in the first growing season depending on the sowing date and cultural techniques.
How do you treat fungus on pine trees?
Do not plant young, healthy two- and three-needled pines near older, infected pines. Remove infected twigs to reduce the amount of fungus in the tree. Apply a fungicide beginning as the buds swell in the spring and repeat application until the needles reach full size. Spraying at other times is not effective.
Is Miracle Gro good for bonsai?
Miracle-Gro soil, fertilizer or a mixture of the two is not safe for growing bonsai.