Aplectrum hyemale

The Putty Root Orchid requires about 3-6 hours of sunlight (partial sun) and can also grow in conditions where it receives less than 3 hours of sunlight daily (full shade). It's crucial to watch how sunlight moves through your garden to find the perfect balance for your plants. For indoor conditions, especially during winter or less sunny spaces, artificial lighting can be essential. LED lights are recommended, and the amount of artificial light needed varies depending on the type of plant: 30-50W/sq ft for full sun plants, 20-30W/sq ft for partial sun plants, and 10-20W/sq ft for full shade plants. The light source should be placed 12-36 inches above the plant, mimicking natural daylight for 8-12 hours per day.

When Putty Root Orchid receives insufficient light, several symptoms may appear, including smaller new leaves, leggy or sparse growth, faster leaf drop, slowed or halted new growth, lighter-colored new leaves, chlorosis (leaves turning yellow due to lack of chlorophyll), sunscald (damaged leaves/stems from intense sun), leaf curling (to reduce sunlight exposure), wilting (due to transpiration loss), and leaf scorching (brown, dry patches on leaves). These symptoms indicate that the plant needs more light, either by moving it to a sunnier spot gradually or using artificial lighting.

To optimize Putty Root Orchid's growth in light-deficient situations, gradually increase its exposure to sunlight by shifting it to sunnier spots each week until it receives the recommended 3-6 hours of sunlight. For large or immovable indoor plants, consider supplemental artificial lighting, keeping lamps on for at least 8 hours daily or investing in professional plant grow lights. Outdoors, avoid sudden changes to prevent sunburn by gradually moving plants to sunnier locations each week. If parts of the plant have been affected by insufficient sunlight, new healthy growth should appear once you increase light exposure. Additionally, for plants in the ground, reducing obstructions like overhanging tree branches can help, as can transplanting smaller plants during their dormant period to sunnier locations with good drainage.

Putty root orchid is native to environments where the temperature ranges from 41 to 89.6 °F (5 to 32 °C). It naturally prefers average temperate conditions. To replicate its native habitat, it is suggested to adjust temperatures seasonally, allowing for cooler periods during winter. This orchid has a strong cold resistance, meaning special frost protection measures are usually not necessary. However, if winter temperatures are expected to drop below -30°C, providing cold protection with materials like soil or straw could be beneficial. Additionally, watering the plant abundantly before the first freeze in autumn is recommended to keep the soil moist and prevent drought and water scarcity during winter and early spring.

Putty root orchid thrives best in temperatures above 5°C and should be kept above -25°C during winter. In the case of temperatures falling below -30°C, you might not notice any immediate changes during the winter. However, there could be a decrease in sprouting or even no sprouting at all during springtime. The solution for any parts of the orchid that fail to sprout in spring is to simply remove them.

During the summer, it's crucial to ensure that the temperature around a Putty root orchid stays below 32°C. If temperatures exceed 35°C, the leaves may become lighter in color, prone to curling and susceptible to sunburn, and in severe cases, the entire plant may wilt and become dry. To protect and care for the orchid under such conditions, trim away any sunburned and dried-up parts. Moving the plant to a location that provides shade during the midday and afternoon sun, or using a shade cloth, can be helpful. Also, watering the plant in the morning and evening will help keep the soil moist and support the plant's health.