Odontonema strictum
Brazilian Firespike · Fire spike · Mexican firespike
Description
Source: leafsnapOdontonema strictum is a species of plant in the family Acanthaceae which is endemic to South America. The plant grows to a height of two metres or half that if it grown in a container. The waxy flowers grow in twelve inch spikes and in their native country they attract hummingbirds and butterflies when they bloom in the autumn.Position : Plant them where they receive bright light to ensure it flowers well. Preferably no harsh afternoon sun. They tolerate shade for half of the day but rather no more. Pests : not a garden plant prone to many pests, thus low maintenance in that regard. Propagation : Roots easily from semi-soft cuttings. Tip the growing tips a few times to promote a compact plant before you allow it to mature. Growth habit : Multi-branched plant, straight from the ground. Produces long slender branches if exposed to too little sun. Prune the plant back when the growth is too tall, causing it to fall open. Moderately fast growing. Watering requirements : Moderate watering
Care Guide
💧 Water daily
It's critical to keep your Firespike well-watered because these plants require a lot of moisture. Maintain consistency, and water regularly if you live in a dry environment. Don't panic if you forget for a day or two and observe the plant withering. Firespikes are tough and will probably be alright after a few drinks. Maintaining a layer of mulch around your plant can help it retain moisture and avoid drying out too rapidly.
☀️ Light Full sun
Firespike does best with plenty of sunlight, which encourages healthier growth. It originates from sunny areas, indicating a natural affinity for sun. Its sunlight needs can vary a bit at different growth stages, but overall it can tolerate lower light. Excessive sun can cause damage, while too little light can limit its growth.
🌡️ Temperature 15–37.8°C
Firespike is naturally adapted to temperate climates, preferring a temperature range of 59 to 100 °F (15 to 38 °C). Seasonal adjustments may be necessary if local temperatures fall outside this range.
💨 Humidity
🪴 Soil 6-7
🌱 Fertilizer
Timing is essential when fertilizing Firespike. Apply fertilizer in early spring and repeat monthly through early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant and active growth periods.
🪴 Pot & Repot
✂️ Pruning
Again, firespike is a low-maintenance addition to your garden, and you won't have to spend much time trimming or maintaining it. Because certain branches can get lengthy, untidy, or gangly in appearance, only occasional trimming is required. When you think your plant needs a trim, give it a snip. If you reside in a region where light frost is a problem, trim your firespike to the ground once the threat of frost has passed. This will stimulate the plant's base to produce new, healthy growth. When the flowering stems have finished blooming in locations where frost does not occur, just cut them to the ground.
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Odontonema
- Family
- Acanthaceae
- Hardiness Zone
- 8-11
- Mature Height
- 2.44 m
- Mature Spread
- 1.52 m
- Leaf Color
- Green
- Leaf Type
- Evergreen, Deciduous
- Flower Color
- Red
- Flower Size
- 2.54 cm to 5.08 cm
- Bloom Time
- Early spring, Mid spring, Mid summer, Late summer, Fall, Winter
- Planting Time
- Spring, Autumn
- Harvest Time
- Early spring, Mid spring, Mid summer, Late summer, Fall, Winter
- Native Area
- Colombia, Belize, Honduras, Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica, Panama