Arisaema quinatum is a species of flowering plant in the arum family Araceae. It is a member of the Arisaema triphyllum complex, a group of closely-related taxa in eastern North America. The specific name quinatum means "divided into five lobes", a reference to its characteristic leaves. It is commonly known as the southern Jack-in-the-pulpit (or southern Jack) but some refer to it as Preacher John.
Preacher john has good disease resistance and is generally not prone to illnesses. However, it can be susceptible to pests and diseases present in its surroundings. These infections are usually not severe. In terms of care, this plant requires medium maintenance. It needs regular pruning to maintain a good appearance and healthy growth. Fertilization can also help promote flowering. Preacher john is suitable for anyone with an outdoor space, such as a garden or patio, and does not require a lot of care experience. It may require more care when grown indoors.
How to keep Arisaema Quinatum.
Light
Preacher john naturally occurs in habitats like forest understories or rocky areas, where it is exposed to natural shade. It prefers partial sun but can tolerate full sun or full shade, showing its adaptable and hardy nature.
Temperature
Preacher john is native to temperate regions and performs best at temperatures of 41 to 89.6 °F (5 to 32 ℃). Lower the temperature in winter to mimic its natural, cooler dormant period.
Fertilizer
The best time to fertilize a Preacher john is in early spring, as it emerges from dormancy and begins active growth. Fertilization supplies essential nutrients for healthy development. Although Preacher john has relatively low fertilizer requirements, applying it annually can improve its survival and produce better, longer-lasting flowers.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Arisaema
- Family
- Araceae
- Hardiness Zone
- 5-8
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 30 cm to 46 cm
- Leaf Color
- Dark Green, Forest Green
- Leaf Type
- Deciduous
- Flower Color
- Green, Purple
- Flower Size
- 7.62 cm to 10.16 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Spring
- Harvest Time
- Late summer, Early fall, Mid fall
Other names.