Category: Orchid Doctor

BARK, REDWOOD: Suitable Kinds

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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 over 7 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 over 7 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

BARK: Additives Recommended

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago To each cubic yard add 4 lbs. Urea (U.F.38), 2 lbs. triple superphosphate, 10 lbs, dolomite and 1 lb. iron sulphate. AU87Winter-17 About 10% coarse peatmoss mixed with it seems to start plants o... Read More

BARK: Advantages and Questions

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It's a variable product and does not produce as good growth as osmunda did, but it's accepted because it is easy to use although it can cause more trouble than most other media; what is lost by usi... Read More

BARK: Best for Cymbidiums?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago At end of third year of trials, plants in bark were significantly larger than in pumice or calcined clay. OA84-78 Read More

BARK: Drainage in the Pot

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use styrene "poles" 2/3 the depth of the middle of the pot held up by several supporting stones at the bottom so the centre of the mix has a dry drainage; an alternative method is to place a small ... Read More

BARK: How to Prolong Its Life

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use 1.5 ttpg. Captan 50%WP (Orthocide) as drench once or twice yearly. A75-803; A76-795 Read More

BARK: Pine

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Garden mulch type; if pieces are not less than 1/4" in size, it is suitable as a potting medium but will not last as long as fir bark and should be washed and cleaned first of fines and dirt, A80-850 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More