Updated: July 24, 2023

Lupins are popular flowering plants that add beauty and color to gardens. With their striking tall spikes of flowers in various shades, they are sure to catch the eye of any passerby. But before adding lupins to your garden, it is important to understand the different sizes they come in and choose the right size for your space and preferences. In this article, we will explore the different sizes of lupin plants and provide some tips on how to select the right size for you.

Understanding Lupin Plant Sizes

Lupins are perennial plants that belong to the legume family. They can grow to different heights depending on the variety and growing conditions. The most common sizes of lupin plants are:

  1. Dwarf Lupins: These are the smallest variety of lupins, reaching a height of around 12-18 inches (30-45 cm). They are compact and bushy in nature, making them ideal for smaller gardens or containers. Dwarf lupins still produce beautiful flower spikes, but on a smaller scale compared to taller varieties.

  2. Medium-sized Lupins: Medium-sized lupins typically grow to a height of 18-36 inches (45-90 cm). They have a more upright growth habit and produce larger flower spikes than dwarf varieties. Medium-sized lupins are suitable for medium-sized gardens or as focal points in larger flower beds.

  3. Tall Lupins: As the name suggests, tall lupins are the tallest variety, reaching heights of 36-60 inches (90-150 cm) or even more in some cases. They have a commanding presence in the garden with their towering flower spikes. Tall lupins are perfect for creating a dramatic effect or adding vertical interest to larger gardens.

It’s important to note that these height ranges are approximate and can vary depending on growing conditions and specific cultivars. Always refer to the plant tag or description for accurate information on the expected size of a particular lupin variety.

Choosing the Right Size

When selecting lupins for your garden, there are a few factors to consider in order to choose the right size for your space and preferences:

Garden Size

The size of your garden plays a crucial role in determining the appropriate size of lupins to plant. If you have a small garden or limited space, dwarf or medium-sized lupins would be more suitable. Their compact nature ensures they won’t overwhelm the space and leave room for other plants. On the other hand, if you have a large garden with ample space, tall lupins can be a great choice to create height and visual impact.

Purpose

Consider the purpose you want the lupins to serve in your garden. Do you want them to be a focal point or part of a larger flower bed? For focal points or standalone displays, tall lupins can make a bold statement. If you are looking to fill out a flower bed or border, medium-sized lupins can provide both height and density. Dwarf lupins are perfect for smaller containers or adding bursts of color along the edges of paths or borders.

Maintenance

Another factor to consider is the amount of maintenance you are willing to put into caring for your lupin plants. Generally, taller lupin varieties require staking to support their height and prevent them from toppling over. This extra maintenance step may not be desirable for every gardener. Dwarf and medium-sized lupins, being shorter and more compact, usually don’t require staking.

Climate and Growing Conditions

Different lupin varieties have varying preferences when it comes to climate and growing conditions. Some may thrive in full sun, while others prefer partial shade. Before selecting a specific size of lupin plant, make sure it is well-suited to your local climate and growing conditions. This will ensure that the plant will grow and flower to its fullest potential.

Conclusion

Choosing the right size of lupin plants for your garden is essential to create a visually appealing and well-balanced space. Consider factors such as garden size, purpose, maintenance, and climate when making your selection. Whether you opt for dwarf, medium-sized, or tall lupins, these beautiful flowering plants are sure to bring joy and color to your garden. So go ahead, add some lupins to your garden and enjoy their stunning blooms in the size that suits you best!