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Vine

Sicklethorn Asparagus Fern

Asparagus falcatus

Varieties We Bring In

StandardAsparagus aethiopicus
Sizes & Pricing
1 galFrom$6.95
3 galFrom$14.95
LITTLEONEFrom$15.95
SUPERONEFrom$29.95

Last received Oct 5, 2026.

We bring this in seasonally, so what is on the lot changes week to week. A received date shows when it last came in, not that it is here today.

Call (904) 471-0440 to confirm this plant and size before you make the trip.

LightPart Sun, Part Shade
WaterModerate
Mature size10-20 feet × 3-6 feet

Pet toxicity: Toxic to dogs and cats

Pet safety guide

About Sicklethorn Asparagus Fern

Sicklethorn (Asparagus falcatus) is a vigorous woody scrambling vine from tropical Africa and Asia that grows well in NE Florida zone 9b. Its sickle-shaped cladodes, recurved thorns, and fragrant white spring flowers give it ornamental appeal, but plant with caution as related Asparagus species are invasive in Florida and bird-dispersed berries can spread the plant to natural areas.

Plant details

Bloom Season
Spring, Summer
Flower Color
White
Growth Rate
Fast
Foliage
Evergreen
Soil
Loam, Well-drained

Best planting months

Recommended forZone 9b · St. Augustine, FL

Recommended months: March, April, May, September, October, November.

January, other month
February, other month
March, good window
April, good window
May, good window
June, other month
July, other month
August, other month
September, good window
October, good window
November, good window, this month
December, other month
This monthGood windowOther months

Seasonal care

Bloom season. Good planting window.

Care essentials

Light

Sicklethorn asparagus fern tolerates a range of light from part sun to full shade; it grows most vigorously in bright indirect light. In NE Florida it can spread aggressively in shaded understory areas and should be planted with caution.

Water

Once established, sicklethorn is moderately drought tolerant; water regularly during establishment but reduce once rooted. Avoid overwatering in heavy or poorly drained soils.

Soil & Fertilizer

Adaptable to most well-drained soils; amend with compost to improve sandy Florida soil. Apply a balanced slow-release fertilizer in spring. Note: related Asparagus species are invasive in Florida; monitor and contain to prevent naturalization.

Similar needs

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Common questions

Is Sicklethorn Asparagus Fern a good plant for St. Augustine?

Sicklethorn Asparagus Fern is a vine. Mature size: 10-20 feet × 3-6 feet. Light: Part Sun, Part Shade. Water needs: Moderate. Recorded hardiness zone: 9a.

What is the recorded pet toxicity for Sicklethorn Asparagus Fern?

Toxic to dogs and cats

Care information verified from

Last reviewed February 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.