How to Plant a Plum Seed Indoors: Simple Tips and Tricks.

How to Plant a Plum Seed Indoors Simple Tips and Tricks
How to Plant a Plum Seed Indoors Simple Tips and Tricks

To plant a plum seed indoors, simply clean the seed, crack it open, and plant it in soil. Planting a plum tree from seed can be a rewarding project for any fruit tree lover.

Not only is the method easy, but it allows you to pick and choose the specific variety of plum you want to grow. Planting a seed can seem intimidating, but with the right preparation, it can be a fun and engaging activity.

In this article, we will guide you through the process of planting a plum seed indoors, from cleaning the seed to ensuring that it gets the right amount of moisture and sunlight. So hold your gloves and let’s get started!

Starting With The Basics: Choosing The Right Plum Seeds

If you are looking to grow plums indoors, choosing the right seeds is the first step. Here is what you need to know:

Different Types Of Plum Seeds

There are two different types of plum seeds, which are European and Japanese. Here is a brief comparison:

  • European plum seeds: Known for their deep purple or blue color and tart taste, these seeds are best suited for colder climates.
  • Japanese plum seeds: These seeds have a yellow or reddish color and a sweeter flavor. They thrive in warmer weather states.

The Best Time To Harvest Plum Seeds

Plum seeds are usually harvested towards the end of summer or early fall, depending on the variety. Here are the key points to consider:

  • Wait until the fruit is fully ripe, as this will ensure the seeds are mature.
  • Select the plum with the best flavor and formation.
  • Cut the fruit open and remove the seed.
  • Wash and dry the seed thoroughly before planting.

Factors To Consider When Selecting Plum Seeds

When selecting plum seeds, there are several factors you need to consider. Here are the most important ones:

  • Seed viability: Check if the seed is possible by placing it in a glass of water. If the seed sinks, it is good to plant. If it floats, it is not possible and should be discarded.
  • Soil type: Choose seeds that are appropriate for the type of soil you have. European plum seeds prefer well-drained soil, while Japanese plum seeds do well in heavy, moisture-retentive soil.
  • Frost tolerance: Decide on seeds that are suitable for the climate conditions in your area. European plum seeds can withstand colder temperatures, while Japanese plum seeds prefer warmer conditions.

Choosing the right plum seeds is important for growing healthy indoor plum trees. Remember to look for the viability, soil type, and frost tolerance when selecting your seeds. By following the tips outlined you will be on your way to successfully growing your own plums indoors.

Additionally, check out: Can You Plant Flower Seeds in Mulch?

Preparing The Plum Seeds For Planting

Growing plum trees from seed is a satisfying and straightforward process. You can use the seeds from a store-bought plum or a fallen plum fruit to propagate your own tree. Before planting the seeds, you need to prepare them in a specific way to ensure the best results.

In this section, we will discuss the essential steps for preparing the plum seeds for planting.

Cleaning The Seeds

Before starting the stratification process, make sure to clean your plum seeds. The cleaning process removes any residual pulp that may cause mold to form during stratification. Here are the steps applied in cleaning the plum seeds:

  • Take the plum seeds and wash them thoroughly under cold running water. Remove any fleshy or pulpy material left on the seeds.
  • Place the seeds in a bowl of cool water and mix them gently. Use your fingers or a soft-bristled brush to scrape off any remaining pulp.
  • Rinse the seeds under running water until they are clean and free of any pulp.

Stratification Process

Stratification is the process of subjecting the seeds to a period of cold, wet conditions to affect winter. This process is essential for breaking down the seed layer and triggering the germination process. Follow these steps to stratify your plum seeds:

  • Take a sealable plastic bag and fill it halfway with moistened peat moss or dampened paper towel.
  • Add the clean plum seeds to the bag, ensuring that they are not overcrowded.
  • Seal the bag, label it, and place it in your refrigerator. The ideal temperature for stratifying the plum seeds is between 32-41°f.
  • Check the seeds every two weeks to ensure that the peat moss or paper towel is still moist. If it’s dry, spray it lightly with water.

Soaking The Seeds

After stratifying the seeds for 10-12 weeks, you can then sow them indoors or outdoors. The seeds can also be soaked in water for 24 hours to help start the germination process. Here are the steps to soak your plum seeds:

  • Take a plastic container and fill it with warm water. Ensure that the water level is 1-2 inches above the plum seeds.
  • Cover the container with a plastic lid or plastic wrap and let it sit for 24-48 hours.
  • Drain the water and place the seeds on a paper towel. Cover the seeds with a towel and mist them with water to keep them wet.
  • Wait for the seeds to germinate and start growing before moving them to a more permanent location.

Preparing plum seeds for planting may seem like a daunting task, but it is an easy and rewarding process. By following the above three steps of cleaning the seeds, stratifying them, and washing them, you can successfully breed your own plum tree from seeds.

Moreover, take a look at: When to Plant Zucchini Seeds Indoors

The Actual Planting Process

Choosing The Right Pot

The first step in planting a plum seed indoors is to choose the right pot. Here are some tips on choosing the right pot for your seed:

  • Choose a pot that is at least six inches deep and wide enough for the seed to germinate and grow.
  • Select a pot with drainage holes to prevent waterlogging and promote healthy plant growth. You can also add a layer of pebbles or stones at the bottom of the pot to aid in drainage.
  • Consider using a biodegradable pot made from coconut coir or peat moss to avoid root shocks when transplanting.
  • Look for a pot that matches your décor or style, such as a glazed ceramic pot, a wooden planter, or a terra cotta pot.

Preparing The Soil

Once you have chosen the right pot, the next step is to prepare the soil. Here are some tips on preparing the soil for your plum seed:

  • Use a well-draining soil mix that is rich in organic matter. You can prepare the soil mix by mixing equal parts of potting soil, peat moss, and perlite or vermiculite.
  • Sterilize the soil mix by baking it in the oven at 180 degrees Fahrenheit for 30 minutes to kill any pathogens and weed seeds.
  • Check the soil ph level using a soil tester kit and modify it to a slightly acidic level between 6.0 to 6.5. You can adjust the ph by adding garden lime or sulfur.
  • Fill the pot with the sterilized and ph-adjusted soil mix, leaving about an inch of space below the rim.

Planting The Seed

Now it’s time to plant the plum seed. Here are some tips on planting the seed:

  • Soak the plum seed in water for 24-48 hours to soften the outer shell and facilitate germination.
  • Plant the seed about an inch deep in the center of the pot, with the pointy end facing upwards and the wider end facing downwards.
  • Cover the seed with soil and press gently to provide the soil is in contact with the seed.
  • Place the pot in a warm and brightly lit area, such as a south-facing windowsill or under grow lights.
  • Keep the soil moist but not wet, and avoid overwatering or letting the soil dry out completely.
  • Germination can take two to four weeks depending on the seed’s freshness and temperature.
  • Once the seedling appears, thin it out to the strongest seedling by clipping the others at soil level.
  • Continue to care for the seedling by providing sufficient light, humidity, and fertilizer according to its growth stage.

By following these simple tips and tricks, you can easily plant a plum seed indoors and enjoy the happiness of growing your fruit tree from scratch. With time, care, and patience, your plum seedling will grow into a strong and fruitful tree that will provide you with juicy and sweet plums for many years to come.

Taking Care Of Your Indoor Plum Tree Seedling

Planting a plum seed indoors can be a rewarding and exciting experience, especially when you see your seedlings grow. Taking care of your indoor plum tree seedlings requires attention, patience, and maintenance. Here are some essential tips and tricks that you can follow to ensure the proper care of your indoor plum tree seedlings.

Moisture Levels

  • Keep the soil lightly moist.
  • Overwatering can cause root rot and other fungal diseases.
  • Check the moisture level often with a moisture meter or your finger.

Temperature Requirements

  • Plum tree seedlings thrive in a moderate temperature range.
  • The ideal temperature range for their growth is between 60 to 70°f (15 to 21°c) during the day and between 50 to 60°f (10 to 15°c) at night.
  • Avoid exposing the seedlings to extreme temperatures, including drafts and direct sunlight.

When To Fertilize

  • Fertilizing too early can cause damage to the root system.
  • Wait until the seedlings have grown their second set of true leaves before fertilizing.
  • Use a balanced fertilizer (10-10-10) every two weeks during the growing season.

How To Prune And Shape Your Tree

  • Pruning helps promote growth, supports the tree, and enhances fruit production.
  • Wait until your plum tree seedling reaches 2 feet (60 cm) tall before pruning.
  • Prune during the dormant season to minimize damage.
  • Focus on removing dead, diseased, or damaged branches.
  • Keep the central leader and main branches well-spaced to encourage good airflow and sunlight penetration.

Taking care of your indoor plum tree seedlings can be a fun and rewarding experience. By following these easy tips and tricks, you can help your seedlings thrive and acquire their full potential. With some patience and commitment, you can enjoy the fruits of your labor in no time!

Furthermore, consider reading: How to Grow Perfect Peppers

Frequently Asked Questions On How To Plant A Plum Seed Indoors

How Long Does It Take For A Plum Seed To Sprout Indoors?

It usually takes 2-3 weeks for a plum seed to sprout indoors. However, it may take up to 8 weeks, and the seed may not even sprout at all.

Can I Plant A Plum Seed From A Store-Bought Plum?

Yes, you can plant a plum seed from a store-bought plum. Keep in mind that it may not grow the same type of plum as the parent fruit.

How Often Should I Water My Plum Seed?

You should water your plum seed once or twice a week, enough to keep the soil moist but not waterlogged. Overwatering can cause the seed to rot.

Can I Plant Multiple Plum Seeds In One Pot?

Yes, you can plant multiple plum seeds in one pot. Make sure to leave enough space between each seed to allow for growth and proper root development.

When Should I Transplant My Plum Seedling To A Larger Pot?

You should transplant your plum seedling to a larger pot when it outgrows its present container. Normally, this will be after a year or two of growth.


As you can see, planting plum seeds indoors is not rocket science, and it opens up a new world of options for home gardeners. It is an inexpensive and rewarding way to grow your own plum tree from scratch and enjoy its succulent fruits for years to come.

Whether you decide to start from a fresh plum seed or a store-bought one, the process is simple and requires little equipment. Remember to provide your seed with the right conditions, from temperature to humidity levels, and patience. Seeds can take anywhere from weeks to months to germinate, so don’t get discouraged if you don’t see growth right away.

With care and attention, your plum seedling will grow into a healthy tree, providing you with delicious fruits that you’ve grown with your very own hands. Happy planting!


  • David Mark

    David Mark is an experienced gardening guide with over 20 years of experience. He is passionate about helping people learn about gardening and creating beautiful, healthy gardens. David's love of gardening began at a young age, when he would help his parents in their backyard garden. He quickly learned the basics of gardening, and as he grew older, he began to experiment with different plants and techniques. After graduating from college, David worked as a landscaper for several years. This gave him the opportunity to work on a variety of different gardens, from small backyards to large commercial properties. He also learned how to install irrigation systems, build raised beds, and create patios and walkways. In 2005, David decided to start his own gardening website. He quickly became known for his expertise and friendly personality. He has helped hundreds of people create beautiful gardens, and he is always happy to share his knowledge with others. David is a certified Master Gardener, and he is a member of the American Society of Landscape Architects. He is also a regular contributor to gardening magazines and websites.

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