Plants grown in a greenhouse are used to warm temperatures, gentle light, and protection from wind and weather. Moving them directly outdoors can cause stress, sunburn, wilting, or even plant loss. Hardening off helps plants gradually adjust so they can thrive in the garden.
Follow these simple steps:
Day 1–2:
Place plants outdoors in a shaded, protected area for 1–2 hours, then bring them back inside or into a sheltered space. Avoid direct afternoon sun and strong wind.
Day 3–4:
Increase outdoor time to 3–4 hours. Begin introducing plants to a little morning sun while still protecting them from harsh afternoon light.
Day 5–6:
Leave plants outside for 5–6 hours, including longer periods of sunlight. Continue monitoring moisture, as containers dry out faster outdoors.
Day 7–10:
Gradually extend time outdoors until plants are outside for a full day and overnight, as long as temperatures are appropriate for the crop and there is no risk of frost.
Ready to Plant:
Once plants can tolerate full sun, wind, and outdoor temperatures, they are ready to be transplanted into the garden. Water thoroughly after planting to help reduce transplant stress.

Tips for Success:
Check the weather before starting—avoid hardening off during extreme heat, strong winds, or storms.
Keep soil evenly moist, as plants may dry out more quickly outdoors.
Bring tender plants inside if nighttime temperatures drop too low.

This small step makes a big difference in helping your plants establish quickly and grow strong!