The Ultimate Firespike Growing Tips to Create a Fiery Landscape

Team McFly Sep 16, 2023
11 People Read
Firespike Plant
Table of Contents
  1. How to Grow Firespike Plant
    1. Soil
    2. Water
    3. Fertilizer
    4. Pruning

How to Grow Firespike Plant

Firespike is an attractive, easy-to-grow plant with vibrant red flowers. Not only will this shrub add color to your garden, but it also attracts hummingbirds and butterflies.

It can grow up to 6-8 feet in nature and 3 feet in containers. During late summer and fall, it produces plumes of blood-red glossy spikes.

soil planting


If you're searching for a low-maintenance plant to add to your yard, firespike (Odontonema strictum) is an ideal choice. These stunning shrubs boast glossy leaves and stunning spikes of red blooms that attract hummingbirds and butterflies alike.

This eye-catching shrub belongs to the Acanthaceae family and thrives in many North American climates. With its dark green leaves and vibrant red flowers, you can add a touch of Spanish elegance to your garden, especially during fall when they bloom.

Firespike thrives in rich, well-drained soil with a pH level between neutral and acid. They tolerate sandy or porous conditions and can tolerate both sun and shade. Be sure to water them regularly and add fertilizer when necessary for maximum growth.

These spectacular plants can be grown from seeds or cuttings. Sow the seeds outdoors in late spring or early summer and transplant the young plants into larger spaces as they develop. You may also propagate these stunning shrubs by dipping softwood cuttings in rooting hormone and planting them where you wish to create new firespike shrubs.

Firespike is a stunning addition to landscape beds and containers, producing abundant long-lasting flowers that attract wildlife. Its lush foliage and vibrant red blooms make it an attractive choice for Southern gardeners while requiring minimal care once established.

For optimal growth during the growing season, water your firespike regularly to maintain its long spikes and tubular flowers. Furthermore, fertilize approximately three times a year with a slow-release balanced fertilizer to keep your plant in top condition and ensure plenty of flowering spikes throughout the year.

For optimal growth, the plant requires 75-95% sunlight. While it can tolerate partial shade or sun, full exposure provides the best results.

It is essential to remember that this plant does not thrive in cold temperatures and will die if left exposed. If you anticipate a hard freeze, move your indoor plants indoors and replant once the temperature has warmed up.

watering plants


If you're searching for a shrub that will add drama and color to your landscape, firespike (Odontonema strictum) is an ideal option. This evergreen tropical plant features large glossy leaves and long spikes of vibrant red flowers, which last well into winter or early spring, depending on where you live.

Easy to grow, low maintenance required, and free from pests or diseases, this plant makes for an excellent addition to any southern garden.

To ensure your new plant grows healthily and strongly, provide plenty of water when you bring it home. This will encourage its roots to develop and strengthen to survive when planted in the ground. During summertime, water it once or twice a week for added hydration.

Your new plant can be stored in a small container with about half an inch of water until you decide where to plant it. Place the container in a shady spot and keep the soil moist; this will prevent the roots from drying out too quickly, potentially leading to plant death.

Once you've selected the ideal location, it's time to plant your firespike. In a well-drained soil mix, space them 24-36 inches apart. As a bonus, mulch around the base of your firespike with compost to keep the soil moist and promote regrowth.

Your firespike blooms best when exposed to full sunlight, but it can also thrive in part shade. While it may produce fewer blooms and appear sparse when placed partially in the shade, you'll still get a stunning display of vibrant red flowers regardless.

Your firespike can thrive in various soil conditions, from sandy to rich clay soil and moister climates. Additionally, it adapts to different pH levels, so it should easily tolerate either acidic or neutral soils.

These drought-tolerant shrubs make them an ideal choice for gardens in Florida, where it can be hard to keep the soil moisture level consistent. However, remember that this tropical plant needs protection from the hot afternoon summer sun when grown in a container.


Growing Firespike Plant is easy if you provide the correct fertilizer to nourish it. Not only do these colorful blooms add visual interest to your landscape, but they're also beneficial to wildlife, such as hummingbirds and butterflies that love them - so make sure they have a place in your garden!

This plant requires 75-95% sunlight and well-drained soil to thrive. While it can withstand drought conditions, watering regularly is necessary to keep its long spikes and tubular flowers looking their best throughout the season.

To promote blooming and healthy growth in your plants, apply a general-purpose, balanced slow-release fertilizer at least six inches away from their base.

Apply it three times annually for optimal results.

Firespike Plant is an attractive addition to a landscape bed, growing up to 4 feet tall and producing vibrant red flowers in fall and winter. They can be grown in full sun or semi-shade, complementing bold foliage plants like elephant's ears (Alocasia) and bird's nest ferns (Asplenium australasicum).

These plants are incredibly easy to propagate from softwood cuttings. Take a clipping from the end of a branch, preferably on softwood, and dip it in the rooting hormone. Finally, insert this cutting into the ground where your new firespike will sprout!

Once your garden has grown to about 12'' inches in height, prune away any dead or unruly branches. Doing this encourages new, healthier growth and reduces the time it takes to reseed.

No need to spend a lot of time or money on fertilizer when growing firespike plants; they only need light sprinkles of complete fertilizer during the growing season. Furthermore, their low maintenance requirements also make them easy to care for.

When cultivating firespike, it is best to avoid fertilizing too heavily. Excess nutrients will leach into the water, creating algal blooms that obstruct water flow and negatively affect soil health. On the contrary, if you want to boost the growth of your firespike, using a fertilizer containing nitrogen, potassium, and phosphorus is essential.



Firespike Plant (Odontonema strictum) is a tropical native that thrives in hot climates but can also thrive in cooler environments. With dark green foliage and vibrant red flowers, these plants make stunning additions to any landscape - especially if you live in an area with plenty of suns.

They're easy-to-grow, low-maintenance shrub that doesn't suffer from pests or diseases. That makes them perfect for foundation plantings, hedges, and screens.

This evergreen shrub can grow up to 6 feet tall and wide in its native habitat, boasting stiff, mostly upright branches. It attracts hummingbirds and butterflies with its vibrant red flower clusters adding vibrant color to any landscape.

This eye-catching shrub makes an attractive addition to gardens and is used as a ground cover or shade plant. It prefers full sun to partial shade and is drought-tolerant once established.

Maintain the aesthetic of your Firespike Plant by pruning it periodically throughout the year to maintain its size and shape. Do this two or three times for best results.

Another way to ensure your Firespike Plant looks its best is by fertilizing it regularly. A weekly dose of liquid fertilizer will keep the plant growing strong and healthy, encouraging more blooms.

Propagating Firespike Plant is easy! Take softwood cuttings and soak them in rooting hormone before planting them in the ground. Your new plants will take root quickly, so you'll have a new plant soon!

Be sure to water your Firespike Plant regularly during the growing season. This plant prefers rich, moist, well-drained soil that is neither dry nor wet.

Purple Firespike stands out among other flowering shrubs because it can thrive in partial shade, provided it gets some sunlight. While it can tolerate short periods of drought, supplemental watering during dry weather is necessary for its health.

In late summer, these shrubs produce abundant upright panicles of vibrant red tubular flowers that attract hummers and butterflies alike. Not only are they an eye-catching addition to any garden, but they can also be cut for floral arrangements.

Table of Contents
  1. How to Grow Firespike Plant
    1. Soil
    2. Water
    3. Fertilizer
    4. Pruning