teak grows best in full sun, with long daily exposure to direct, unobstructed outdoor light throughout the growing season.
Light Preference
Full Sun
Teak is native to tropical monsoon regions of South and Southeast Asia, where it grows as a large deciduous tree in open forest, woodland edges, and disturbed sites. Young plants may start with some side shade, but strong overhead sun supports sturdy growth. In cultivation, this points to bright outdoor exposure rather than sheltered shade. It prefers full sun for best development.
teak needs about 6–8 hours of full sun daily, including at least 6 hours of direct sun in open outdoor conditions.
Established plants tolerate strong direct sun well when temperatures are warm and roots are not confined in overheated containers.
Shade is not suitable for normal growth and usually produces weak, stretched shoots with sparse foliage.
Morning sun is helpful, but this species can also handle afternoon sun after gradual acclimation.
Full sun is suitable, but sudden or reflected heat can still stress foliage.
Dry tan or pale brown areas may appear on upper leaves after an abrupt move from shade to intense sun.
Exposed leaves can look faded or washed out where light and heat are strongest.
New shoots may droop during the hottest part of the day in containers on pavement or against walls.
Tender new leaves may crisp first because they have not hardened to stronger light.
Shift the plant away from reflective surfaces and increase direct sun more gradually. Use open airflow and light afternoon protection during the adjustment period.
Low light is a common problem for young plants kept too sheltered in protected outdoor spots.
Stems may lengthen quickly with wide spaces between leaf pairs as the plant reaches for stronger light.
New growth may angle toward the brightest side instead of staying evenly upright.
Fresh foliage may emerge smaller than expected during warm, active growth.
Growth can remain weak during the season when the species should be most active.
Move it to a more open, sunny position over several days. Avoid keeping it under dense shade, roof overhangs, or other long-term obstructions.
If full-day sun is not available, choose the site with the longest clear exposure and at least 6 hours of direct sun.
Prune or relocate nearby obstructions that cast midday shade, and rotate container-grown young plants every 1–2 weeks for even exposure.
Deep shade beside buildings, fences, or dense overhead cover is unsuitable because it cannot meet Tectona grandis light needs.
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Teak light requirements are full sun outdoors. This plant grows best with long, direct exposure rather than filtered light or shade, especially during the active growing season.
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