Light for Oncidium Pacific Sunrise 'Hakalau': Between Phals and Catts

Where to Grow Your New Oncidium Hybrid

You acquired Oncidium Pacific Sunrise 'Hakalau' and wonder whether to place it with your Phalaenopsis/Paphs (east, screened) or Cattleyas (west, afternoon sun, screened).

Light Requirement: Intermediate

This intergeneric hybrid (Oncidium alliance) wants more light than Phals/Paphs but less than Cattleyas. Two good options:

• With Phals/Paphs but brighter (less screening, or closer to window).
• With Cattleyas but more shaded (extra sheer curtain).

Acclimation Is Key

Move it gradually over 2–3 weeks to avoid sunburn. Watch leaf color:

• Light–medium green = good light.
• Dark green = too little light.
• Yellowish/reddish = too much light.

Other Care

• Water when mix nearly dry.
• Humidity 50%+, air movement.
• Weak weekly fertilizer during growth.
• Cool night temps (55–60°F) in fall to initiate spikes.

Your growing addiction is showing—50 orchids and counting! Enjoy the journey.