Newly Posted Articles

BARK, COARSE: Watering Frequency for Potted Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago More frequent watering is required to prevent shrivelling; better to water twice the same morning. A70-148 Read More

BARK, COMPOSTED: For Cymbidium Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago I.C.I, composted forest bark (50% with medium fir bark) is made from bark skinned from logs at pulp mills and composted. Orchid advocate, vol.5, no.5, 1979, p.166. Read More

BARK, FINE: Finer Than Seedling Bark

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago So fine it is sometimes called "coffee grounds" because of its appearance; should not be confused with fine seedling bark which is more commonly used. A71-310 Read More

BARK MIX: Breaks Down Rapidly in Large Plastic Pots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Try potting in 60% bark, 20% coarse peat moss; 20% redwood bark fiber (or 10% fiber and 10% perlite) it lasts until plants need repotting. A72-686 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

HEATERS: Gas or Propane

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A gas heater if exclusively methane can be used without venting; propane has up to 0.6% ethylene and needs proper venting A81-1093 Read More

BASKETS: For Vandaceous Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Because these plants set back if moved from their pots, a basket is preferred so that the plant and basket can be soaked in water so the roots can be coiled around the basket before it is placed in... Read More

NATRIPHENE WP: Soak

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For bud ailments on paphiopedilums, use as a soak for the entire plant in 1:2,000 for 15 to 30 minutes. A72-534 Read More

ONCIDIUM ALTISSIMUM: Problem Plant: Culture Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It responds to cattleya culture; fertilize with 1/2 tpg. of 30-10-10 fortnightly; let the medium get dry between heavy waterings; give them high humidity. A71-535 Read More

BARKS: Toxins

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They exist in fresh (Australian pine) bark but are absent in aged; ageing is achieved by storing it moist for six to eight weeks; tannin can be leached by soaking. AU76-75; AU79-51 Read More