Source: Wikimedia Commons
Ibervillea Sonorae
BeginnerIbervillea sonorae
A Mexican cucurbit caudex with large green tuber producing vines, hardy for beginners.
About
Ibervillea sonorae is native to dry regions of Sonora state in Mexico through southern Arizona, belonging to the Cucurbitaceae family. It develops a large, green-tinged spherical to oblate caudex exposed above the soil—the green color indicating chlorophyll-containing tissue capable of photosynthesis. Divided, cucurbit-type leaves emerge on twining stems that extend vigorously during the growing season. Small yellow flowers are followed by red fruits that are toxic. Growth is relatively fast and the plant is robust and forgiving. Full sun to bright partial shade with well-draining soil is appropriate. Generous watering from spring through autumn and complete winter drought are standard. Cold tolerance is reasonable. Its accessibility, affordability, and ease of culture make it an ideal starting point for Mexican cucurbit caudex collecting.
Lifespan of the Ibervillea Sonorae
The Ibervillea Sonorae lives 20+ years.
Size of the Ibervillea Sonorae
The Ibervillea Sonorae grows to Caudex 10-30cm.
Basic Info
Origin
Sonora, Mexico to southern Arizona, USA
Lifespan
20+ years
Size
Caudex 10-30cm
Temperature
5〜38℃
Growing Tips
Light & Placement
Adapts to anything from full sun to bright partial shade. The green caudex photosynthesizes, so keep it exposed above the soil and in the light.
Watering
During the spring-to-autumn growing season, water thoroughly once the soil dries out. Watch for drying out while the vines are growing vigorously.
Temperature & Overwintering
It has some cold tolerance, but stop watering in winter and overwinter it dry. A bright, frost-free spot is safest.
Soil & Repotting
Use a well-draining mix; akadama blended with pumice is easy to manage. Bury only the lower part of the caudex and leave the top exposed.
Pests & Cautions
The red fruits that follow the flowers are toxic, so place the plant where children and pets cannot eat them.
Pruning & Shaping
The vines grow vigorously in the growing season, so train them on a support or cut back overlong growth to keep the plant tidy.
Ibervillea Sonorae FAQ
QWhat is the growing difficulty level for Ibervillea Sonorae?
Beginner. A variety suitable for beginners. No special equipment or experience is required—you can grow it without problems by setting up a basic cultivation environment.
QWhat is the lifespan of Ibervillea Sonorae?
The average lifespan of Ibervillea Sonorae is 20+ years. With proper cultivation environment and nutrient management, you can keep it healthy for a long time.
QHow large does Ibervillea Sonorae get?
The mature size of Ibervillea Sonorae is Caudex 10-30cm. This may vary slightly depending on cultivation environment and individual differences.
QWhat is the typical price for Ibervillea Sonorae?
The price of Ibervillea Sonorae varies significantly by variety, characteristics, size, and lineage. Please check GrowerDirect's price guide for the latest market information.
Last updated: September 17, 2026
References & Sources
Edited & verified by: GrowerDirect Editorial Team
The classifications, regulations, and growing data on this page are created and verified based on the primary information database below.
Taxonomy & Authority
Accepted name: Ibervillea sonorae (S.Watson) Greene
Synonyms: Maximowiczia insularis Brandegee, Maximowiczia sonorae var. brevicaulis I.M.Johnst., Maximowiczia sonorae S.Watson, Maximowiczia sonorae var. peninsularis I.M.Johnst.
Authority databases: GBIF · POWO
Nomenclature follows global taxonomic authority databases.
Regulations & Conservation Status
Not listed in either CITES Appendix I or II. Also not subject to Japan's designated invasive species or specified animals regulations (being a plant).
Sources: CITES Appendix I species list / CITES Appendix II species list / Ministry of the Environment List of Specified Invasive Alien Species
Regulations may change. Always verify the latest information with the relevant authorities.
Related Species
Find listings for this species
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