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How Much Space to Leave Between Each Fern Plant

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Updated: January 13, 2023

Ferns are a beautiful and popular choice for indoor and outdoor gardening. They have lush green foliage and add a touch of nature to any space. One of the key factors in growing healthy ferns is spacing. It is essential to leave enough space between each fern plant to ensure that they have enough room to grow and thrive.

The amount of space required between each fern plant depends on several factors, including the species of fern, the size of the plant, and the environment in which it is growing. In this article, we will discuss some general guidelines for spacing fern plants.

Spacing Fern Plants Indoors

When planting ferns indoors, it is crucial to ensure that they have enough space to grow without becoming overcrowded. Overcrowding can lead to stunted growth, yellowing leaves, and even death. Here are some general guidelines for spacing fern plants indoors:

  • Small ferns: Small ferns like Maidenhair Ferns or Button Ferns should be planted at least 6 inches apart.
  • Medium-sized ferns: For medium-sized ferns like Boston Ferns or Bird’s Nest Ferns, leave at least 12-18 inches between each plant.
  • Large ferns: Large ferns like Staghorn Ferns or Tree Ferns should be planted at least 24-36 inches apart.

Spacing Fern Plants Outdoors

Outdoor planting requires slightly different spacing rules than indoor planting. Outdoor fern plants require more space due to their larger size and natural growth habits. Here are some general guidelines for spacing fern plants outdoors:

  • Small ferns: Small ferns like Lady Ferns or Japanese Painted Ferns should be planted at least 12 inches apart.
  • Medium-sized ferns: For medium-sized ferns like Ostrich Ferns or Cinnamon Ferns, leave at least 18-24 inches between each plant.
  • Large ferns: Large ferns like Royal Ferns or Giant Chain Ferns should be planted at least 36-48 inches apart.

Factors That Affect Fern Plant Spacing

There are several factors that can affect the spacing of fern plants. These include:

Species of Fern

Different species of fern have different growth habits and space requirements. Some ferns are smaller and more compact, while others are larger and more sprawling. It is important to research the specific species of fern you are planting to determine the optimal spacing requirements.

Size of the Plant

The size of the plant also plays a role in determining spacing requirements. Smaller plants can be planted closer together, while larger plants need more space to grow and thrive.

Environmental Conditions

Environmental conditions such as light, humidity, and temperature can also affect fern plant spacing. In general, ferns that are grown in brighter light and higher humidity require more space than those grown in lower light and drier conditions.

FAQ

How do I know if my ferns are overcrowded?

Overcrowded ferns may show signs such as yellowing leaves, stunted growth, or wilting. They may also become more susceptible to pests and diseases.

Can I plant different types of ferns together?

Yes, you can plant different types of ferns together as long as they have similar spacing requirements. However, it is best to avoid planting aggressive species with slower-growing ones as they may compete for resources.

Can I divide my ferns to create more space?

Yes, you can divide your ferns to create more space. This is typically done in the spring when new growth begins. Gently remove the plant from its container or garden bed and use a sharp knife to divide it into smaller sections. Replant each section in its own container or garden bed with enough space to grow.

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