Persicaria hydropiper aka Marsh Pepper Smartweed

Taxonomy

Persicaria hydropiper, also known as water pepper, marshpepper knotweed, arse smart or tade, is a rare houseplant of the family Polygonaceae that requires regular watering to thrive. It is found in damp places and shallow water in Australia, New Zealand, temperate Asia, Europe, and North America. The plant grows up to 70 cm in height and has narrowly ovate leaves with entire margins fringed by very short hairs. Water pepper is native to Temperate Eurasia to Western and Central Malesia and Northwestern Africa. Additionally, cultivated varieties are eaten in East Asia for their pungent flavor. To care for Water-Pepper, it should be placed in direct light less than 1 foot from a window and given soil that is good at retaining moisture. Repotting each time it doubles in size should provide enough nutrients without the need for added fertilizers.

Common names

Marsh Pepper Smartweed, Water Pepper, Redleaf

How to care for Marsh Pepper Smartweed

Difficulty

Caring for Marsh Pepper Smartweed is a breeze, as it is highly adaptable and forgiving to minor neglect.

Water

Marsh Pepper Smartweed should be watered regularly, allowing the soil to dry out between waterings.

Soil

Marsh Pepper Smartweed is very sensitive to dry soil. To ensure your Water Pepper is thriving and blooming, choose a potting soil that retains moisture. A good soil should still allow for adequate drainage and contain lots of organic matter. Coco coir or sphagnum moss are great soil additives that will help to retain moisture and provide your Water Pepper with the nutrients it needs for healthy growth. Make sure to mix these soil additives into the potting soil before planting and water the soil thoroughly. By providing your Marsh Pepper Smartweed with a well-draining, moisture-retaining soil, you can help to maximize its growth and keep it blooming.

Lighting

To ensure optimal growth, the Marsh Pepper Smartweed prefers bright indirect light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Toxicity

Ploi lacks confirmed information on the toxicity of this plant. If you, a relative, or your pet accidentally consume plant material with unknown toxicity, it's best to consult a medical expert.

Fertilizer

The Marsh Pepper Smartweed should be repotted when it has doubled in size or annually, whichever comes first. Providing fresh potting soil with all the essential nutrients each year ensures the plant's well-being, eliminating the need for fertilizer. Remember, plants derive their energy from the sun and not fertilizer.

Growth-pattern

New growth will sprout from the top of the Marsh Pepper Smartweed as it grows vertically.


More info:
Wikipedia