How to Rebloom Kalanchoe — Step by Step Guide
About How to Rebloom Kalanchoe
How to get Kalanchoe Blossfeldiana to rebloom after purchase. Short-day treatment explained. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.
Here are the key things to understand: Short days: Needs 14+ hours of darkness for 6 weeks. Treatment: Cover or move to dark room each evening. Timeline: Start 6 weeks before you want flowers. During treatment: Normal care otherwise — just control light. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.
The most common reasons this occurs include: Kalanchoe is a short-day plant — needs long dark periods to set buds. Store-bought plants were professionally light-treated. Without short-day treatment, they will not rebloom. Many people discard after first bloom — but reblooming is possible!. Identifying the root cause is the first step toward finding the right solution.
To resolve this, follow these recommended steps: After flowers fade, cut flower stalks and care normally for summer. In early fall, start short-day treatment: 14+ hours of total darkness daily. Cover with a box or move to a closet each evening for 14 hours. Continue for 6 weeks then return to normal light — buds should form. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.
This article is part of our Flowering Plants collection on Houseplants Wiki. We provide comprehensive, up-to-date information to help you find solutions quickly.
Quick Answer
Why won't my Kalanchoe rebloom?
It needs 14+ hours of darkness per day for 6 weeks to set flower buds. Without this, it won't bloom again.
Overview
How to get Kalanchoe Blossfeldiana to rebloom after purchase. Short-day treatment explained.
Key Details
- Short days: Needs 14+ hours of darkness for 6 weeks
- Treatment: Cover or move to dark room each evening
- Timeline: Start 6 weeks before you want flowers
- During treatment: Normal care otherwise — just control light
Common Causes
- Kalanchoe is a short-day plant — needs long dark periods to set buds
- Store-bought plants were professionally light-treated
- Without short-day treatment, they will not rebloom
- Many people discard after first bloom — but reblooming is possible!
Steps
- 1After flowers fade, cut flower stalks and care normally for summer
- 2In early fall, start short-day treatment: 14+ hours of total darkness daily
- 3Cover with a box or move to a closet each evening for 14 hours
- 4Continue for 6 weeks then return to normal light — buds should form