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Sprenger Fern

Asparagus aethiopicus 'Sprengeri'
Also known as: Emerald Fern, Sprenger's Asparagus Fern, Emerald Feather

Sprenger Fern is a flower in the Asparagaceae family. It grows best in part shade with medium moisture, and is listed for USDA zones 9-11. Plants reach maturity about 105–119 days after planting and sit about 12 inches apart.

Varieties

1 from True Leaf Market · sorted by days to maturity
  • Sprengeri105–119 days

    Non-GMO; Container; Annual

    105-119 days to maturity. Asparagus densiflorus ’Sprengeri’. Asparagus Fern Sprengeri Seeds. Non-GMO, Evergreen Perennial. Ornamental. Open Pollinated houseplant seeds. Sprengeri Asparagus Fern seeds grow an ideal substitute to more traditional seasonal greenery. Sprengeri is easy to grow from seed and matures into herbaceous and hardy bushy shrubs known to be tolerant to many insects and diseases. These are not really ferns, but asparagus plants related to edible asparagus. Asparagus Fern provides a vast ground cover, a perfect plant for mass borders, open fields, and popular for commercial and business properties. Sprengeri is native to the rugged demands of Southern Africa and will thrive in a variety of similarly warm and shaded gardens. About # seeds/ounce.

    View on True Leaf Market
Family
Asparagaceae
Category
Flower
Form
Bush
Lifecycle
annual
Zone
9-11
Height
1.5–2 ft
Spread
2–4 ft
Sun
Part shade

Plant spacing

1 plant per square footSquare-foot planting diagram: one sprenger fern fills a 1-foot square, spaced 12 inches from its neighbors.
1 plant per square foot

In a square-foot bed, space sprenger fern about 12 in apart — that fits 1 plant in each 1-foot square (1×1). Wider rows or containers space the same.

Water
Medium

Plan your sprenger fern planting

Add sprenger fern to a free GardenDraft plan and get sow, transplant, and harvest dates computed for your ZIP code — with a drag-and-drop bed layout and reminders when it’s time to plant.

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At a glance

Days to harvest
105–119 days
From transplant or sow to first harvest
Harvest style
Harvest once
One main harvest
After harvest
Stores well
Holds (or improves) after peak
Frost tolerance
Semi-hardy · to ~24°F
Lowest temperature the foliage usually survives
Germination
~60%
Typical minimum germination rate

Growing timeline

When to plant and harvest sprenger fernPlanting timeline for sprenger fern, relative to last frost: start indoors from 11 weeks before last frost to 1 week after last frost; grow from 1 week after last frost to 16 weeks after last frost; harvest from 16 weeks after last frost to 18 weeks after last frost.Start indoorsGrowLast frostTransplant
Start sprenger fern indoors ~12 weeks before transplanting 1 week after last frost; first harvest 16 weeks after last frost.
Seed to transplant
56-84 days
Outdoor planting
7 to 14 days vs frost
Propagation
Seed
Schedule anchor
Last Frost

Care & troubleshooting

No curated care & troubleshooting advice for sprenger fern yet. Our extension-sourced library currently focuses on common edible crops; we're expanding it over time.