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Blue Watsonia (Watsonia pillansii)
CormPerennialModerate

Blue Watsonia

Watsonia pillansii

Family: Iridaceae

Blue Watsonia grows in full sun and prefers well-drained sandy loam. Water needs: Moderate.

How to Grow Blue Watsonia

Blue Watsonia growing information includes sunlight requirements of Full sun, soil conditions listed as Well-drained sandy loam with a soil pH of 6.0-7.5, and Moderate water needs. The listed hardiness zones are 8-10. For propagation reference, the database lists germination or establishment information for Blue Watsonia as 21-60 days, with planting or establishment depth listed as 1 inch. Days to maturity are listed as 2-3 years.

Plant Overview

Blue Watsonia (Watsonia pillansii) is listed in the Iridaceae family and categorized as a corm with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.

Plant ID
PLT-1529
Family
Iridaceae
Plant type
Corm
Life cycle
Perennial
Difficulty
Moderate

Growing Conditions

Blue Watsonia is listed for full sun conditions. Water needs are listed as moderate. The database soil reference is Well-drained sandy loam. The listed soil pH range is 6.0-7.5, and the listed hardiness range is 8-10.

Hardiness zones
8-10
Sunlight
Full sun
Soil
Well-drained sandy loam
Soil pH
6.0-7.5
Water needs
Moderate

Seed & Germination

For seed starting, the listed germination time is 21-60 days and the seed depth is 1 inch. The listed time to maturity is 2-3 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.

Germination
21-60 days
Seed depth
1 inch

Harvest & Propagation

Days to maturity
2-3 years
One plant ยท one ecosystem

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Growing Reference Note

Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.