Category: Culture

BARK MIX: Two-thirds Fir Bark and One-third Redwood, Are Any Additions Needed?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Add 15% by volume screened peat moss larger than one-quarter inch; if water supply is soft, or rain is used add one-half pound pulverized high magnesium limestone to 1 cu. ft. of mix. A75-437 Read More

BARK MIX: For Paphiopedilum Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 1 pt. seedling bark (one-eighth to one-quarter inch) 1 pt. very fine bark (0 to one-quarter inch); add 10 to 12 lbs. of coarse dolomite lime and 1 to 2 lbs. of 27-6-10 slow release fertilizer per c... Read More

BARK, PINE: Potting Medium for Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It should be thick and free of pitch; it is dried, then ground into pieces one-quarter inch by three-quarter inch; can be used by itself or with peat moss, perlite, or redwood fiber. A72-412 Read More

BARK, PINE: Research in Australia

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Used in potting mixes; as substitute for peat moss; advantages and disadvantages given; treatment for toxins is to compost it moist for eight weeks; suggested mixes: 2 pts bark, 1 pt. brown coal, c... Read More

BARK, PINE: Species and Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is hard, gritty, slow to break down because of the high resin content; sponge-like, holds water without getting water-logged; depends on which conifer is used and the age of the tree; Pinus mari... Read More

BARK, REDWOOD: Suitable Kinds

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Local garden shop kind is suitable if it has not been treated with fire-retardant. A79-4 Read More

BARK, RE-USE: In Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Uncertainty rules; use trial method; put some plants in previously used bark and some in fresh and compare results. A61-582 Read More

BARK, SOUTHERN PINE: Suitability for Potting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Has been used but results were not very satisfactory as a rooting medium; use it only weathered and composted. A75-437 Read More

BARKS: From Hardwood Trees

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago No trial has been successful with them; they decompose rapidly; develop heat and injure roots; high nitrogen favors decomposition; if available, chestnut bark is resistant. A74-896 Read More

ANGRAECUMS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 55 degrees F. at night; 50% relative humidity; 2,000 fcs. winter, 4,000 fcs. summer. AU71-135 Read More