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How to Rebloom Kalanchoe — Step by Step Guide

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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

  1. 1After flowers fade, cut flower stalks and care normally for summer
  2. 2In early fall, start short-day treatment: 14+ hours of total darkness daily
  3. 3Cover with a box or move to a closet each evening for 14 hours
  4. 4Continue for 6 weeks then return to normal light — buds should form

Tags

floweringindoor-bloomingkalanchoe blossfeldiana rebloomhouseplantcare-guide

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Frequently Asked Questions

It needs 14+ hours of darkness per day for 6 weeks to set flower buds. Without this, it won't bloom again.