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Jacob's Ladder Companion Plants: Maximizing Garden Space and Beauty

jacob's ladder companion plants

Jacob's Ladder Companion Plants: What Are They?

When it comes to gardening, companion planting is a tried-and-true method for maximizing the space in your garden while also promoting plant growth and health. Companion plants are varieties that thrive when planted near one another, and Jacob's ladder companion plants are no exception.

Jacob's ladder (Polemonium caeruleum) is a tall, flowering perennial that blooms in the spring and summer months. This delicate-looking plant adds height and texture to any garden bed, but it can also benefit from the addition of certain companion plants.

Section 1: Choosing the Right Companion Plants

When choosing companion plants for Jacob's ladder, it's important to consider the plant's specific needs. One important factor is soil pH. Jacob's ladder prefers slightly acidic soil, with a pH between 5.0 and 6.5.

Some great companion plants for Jacob's ladder include:


Lupines are a great choice for companion planting with Jacob's ladder because they also prefer acidic soil. Additionally, lupines add color and texture to the garden bed, with their tall spikes of blue, pink, or purple flowers.


Hostas are an excellent choice for adding texture and visual interest to a garden bed. These plants come in a variety of colors and patterns and can be used to create a beautiful backdrop for Jacob's ladder.


Astilbe is another great option for companion planting with Jacob's ladder. With its feathery plumes of pink, white, or red flowers, astilbe adds both color and texture to the garden bed. Additionally, astilbe prefers the same slightly acidic soil as Jacob's ladder.

Section 2: Benefits of Companion Planting with Jacob's Ladder

Companion planting with Jacob's ladder can provide a variety of benefits for your garden. One major benefit is increased pollination. By planting companion plants that attract pollinators, such as bees and butterflies, you can increase the overall health and productivity of your garden.

Another benefit of companion planting with Jacob's ladder is pest control. Some companion plants, like marigolds, can help repel pests that may damage your plants. Additionally, by planting a variety of plants in close proximity to one another, you create a diverse ecosystem that is less susceptible to disease and other issues.

Section 3: Designing a Garden Bed with Jacob's Ladder Companion Plants

When designing a garden bed with Jacob's ladder companion plants, it's important to consider the height and texture of each plant. For example, Jacob's ladder can be used as a backdrop for shorter plants like hostas or astilbe, which can add texture and visual interest to the foreground.

In addition to choosing the right plants, it's also important to consider the layout of your garden bed. Grouping plants together based on their specific needs can help promote healthy growth and make maintenance easier.

Table: Example Garden Bed Layout

Plant NameHeightSpacing
Jacob's ladder2-4 feet12-18 inches
Lupines2-4 feet12-18 inches
Astilbe1-3 feet6-12 inches
Hostas1-3 feet12-24 inches

Section 4: Caring for Your Jacob's Ladder Companion Plants

Proper care is essential for the health and longevity of your Jacob's ladder companion plants. Some key tips for caring for these plants include:

  • Water regularly: Jacob's ladder and its companion plants prefer consistently moist soil, so be sure to water them regularly, especially during hot, dry weather.

  • Fertilize appropriately: Jacob's ladder and its companion plants benefit from regular fertilization, but be sure to use a fertilizer that is appropriate for each plant's specific needs.

  • Prune as needed: Regular pruning can help keep your garden looking neat and tidy while also promoting healthy growth.

Section 5: Frequently Asked Questions

What other plants pair well with Jacob's ladder?

In addition to lupines, astilbe, and hostas, other great companion plants for Jacob's ladder include columbine, bleeding heart, and salvia.

Can I grow Jacob's ladder in a container garden?

Yes! Jacob's ladder can be grown in containers, although it may not reach its full height potential. Be sure to choose a container that is large enough to accommodate the plant's root system and provide adequate drainage.

Do I need to prune my Jacob's ladder?

While not strictly necessary, pruning can help promote healthy growth and shape your plant to your desired size and shape. Prune after the plant has finished blooming, cutting back any dead or damaged stems and shaping the plant as needed.

How often should I fertilize my Jacob's ladder companion plants?

This will depend on the specific needs of each plant, but in general, fertilizing every 2-3 weeks during the growing season should be sufficient.

What pests should I watch out for when growing Jacob's ladder?

Jacob's ladder is relatively pest-resistant, but you may want to keep an eye out for slugs, snails, and aphids, which can sometimes damage the leaves or flowers.

Incorporating Jacob's ladder companion plants into your garden is a great way to maximize space and promote healthy growth. By choosing the right companion plants, designing a thoughtful layout, and providing proper care, you can create a beautiful and thriving garden that will bring joy for years to come.

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