Grevillea speciosa — an easy houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Grevillea speciosa

Grevillea Speciosa

Updated · 15 observations
ON THIS PLANT

Grevillea speciosa, also known as red spider flower, is a shrub which is endemic to New South Wales in Australia.

A note from PlantMom

Red spider flower has strong disease resistance and is generally unlikely to suffer from diseases. In terms of care, this plant is fairly low maintenance. When planted outdoors it needs minimal watering, and larger plants usually do not require pruning. However, smaller plants should be pruned after they have finished blooming. Red spider flower is suitable for anyone with outdoor space, such as a garden or a deck, and does not require much care experience.

— PlantMom
CARE GUIDE

How to keep Grevillea Speciosa.

Light

Red spider flower comes from open habitats, such as sunny meadows and forest margins, which offer abundant light. It does best in full sun but can also tolerate partial sun, adapting well to different sunlight levels.

Water

The red spider flower thrives with moderate moisture and can tolerate dry spells. To maintain consistent soil moisture, water it weekly, but be careful not to overwater. With adequate hydration during the growing season, the red spider flower produces vibrant blooms and remains healthy, making it ideal for outdoor environments.

Temperature

The red spider flower tolerates a wide range of climate conditions, from sweltering summers to cold winters. However, it does have a preferred temperature range for healthy growth. When temperatures rise too high, the plant can suffer from heat and humidity stress, which may kill it. In areas where temperatures approach the lower limit of its cold tolerance, insulating measures should be taken to protect the plant.

Fertilizer

The timing of fertilizing the Red spider flower is important. Apply fertilizer in early spring and continue monthly until early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant periods and active growth.

Pruning

To promote healthier blooms, prune the red spider flower from early to late winter by trimming about a third of the previous year's growth. This practice improves airflow, reduces the risk of disease, and helps maintain the plant's shape. However, avoid heavy pruning during the growing season to reduce stress on the plant.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Grevillea
Family
Proteaceae
Hardiness Zone
9-11
Mature Height
0.91 m to 3.05 m
Mature Spread
0.91 m to 2.13 m
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Color
Red
Flower Size
3.05 cm to 5.08 cm
Bloom Time
Late spring, Summer, Fall, Early winter
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid summer, Late summer, Fall, Winter
ALSO KNOWN AS

Other names.

en Red spider-flower
FREQUENTLY ASKED

Reader questions.

What are the sunlight requirements for a Red spider flower?

The Red spider flower (Grevillea speciosa) has specific sunlight requirements to thrive. It needs full sun, which means the plant should receive above 6 hours of sunlight daily. Additionally, it can tolerate partial sun, about 3-6 hours of sunlight. It's important to observe how sunlight moves through your garden to ensure you place your Red spider flower in a location that receives the ideal balance of light and shade, securing the plant's health and happiness.

What is the Red spider flower?

The Red spider flower, known botanically as Grevillea speciosa, is a plant recognized for its distinctive attributes. Unfortunately, the provided data does not include descriptions of its essentials or symptoms, indicating a lack of detailed information about its characteristics or any related concerns.

PLATES
Grevillea speciosa leaf
PLATE 01 · leaf
Grevillea speciosa flower
PLATE 02 · flower
Grevillea speciosa flower
PLATE 03 · flower
ALSO IN THE LIBRARY

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