Tetragonia decumbens
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Tetragonia decumbens

Tier 1 Difficulty: medium Water: low Light: full_sun
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 9–11
Click count
11
Observations
12

Description

Source: leafsnap

Tetragonia decumbens (dune spinach or sea spinach) is a coastal shrub, native to southern Africa.

Care Guide

💧 Water

To properly care for Tetragonia decumbens, you need to water it carefully, considering factors such as the weather, the condition of the plant, the soil moisture, and the type of pot. During its dormant period, reduce the frequency of watering to once every one to two weeks, especially in hot or cool conditions. In summer, water the plant in the evening to help prevent root rot. Pay attention to the plant's symptoms and the weight of the soil to determine if it needs water.

☀️ Light Full sun

Coast Lettuce comes from places with plenty of sunlight, such as open fields and sunny meadows. It prefers full sun but can also tolerate partial sun.

Ideal: Full sun
🌡️ Temperature 20–37.8°C

For Coast Lettuce, moderate temperatures are preferable, similar to what most people find comfortable. It does best in conditions that are neither very hot nor very cold. The main problem with high temperatures is the risk of sunburn, so providing some shade in summer is recommended to prevent excessive heat. When temperatures fall, Coast Lettuce becomes dormant. If continuous growth is wanted, higher temperatures must be maintained during winter. Frost can damage the plant and should be avoided.

Ideal temperature: 20–37.8°C
FAQ
What is Tetragonia decumbens?

Tetragonia decumbens, also known by its botanical name Tetragonia decumbens, does not have detailed essentials, symptoms, or additional information provided. For more specific details regarding this plant, considering consulting reputable botanical resources or databases.

💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

To maximize yield, Coast Lettuce does well with regular applications of a balanced fertilizer, especially one high in nitrogen. Apply fertilizer before planting, at planting, and when seedlings are 2 inches tall. Adding compost or manure also gives a steady supply of nutrients. Insufficient soil nutrients cause underdeveloped leaves and stems, inferior flavors, thin stems, and a possibly bitter taste.

🪴 Pot & Repot
✂️ Pruning

Tetragonia decumbens is a salt-tolerant plant with a sprawling habit and succulent leaves. Pruning it in early spring can promote vigorous growth, improve air circulation by removing dead or diseased branches, and encourage a more compact shape. This practice enhances the plant's overall health and aesthetic appeal.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Tetragonia
Family
Aizoaceae
Hardiness Zone
9-11
Mature Height
20 cm to 40 cm
Mature Spread
49 cm to 91 cm
Leaf Color
Light Green, Pale Green
Leaf Type
Evergreen
Flower Color
Yellow
Flower Size
0.51 cm to 1.02 cm
Bloom Time
Summer, Early fall, Mid fall
Planting Time
Spring, Autumn, Winter
Harvest Time
Late summer, Fall, Early winter
Native Area
South Africa, Namibia

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