Plant Care Iron Cross

Iron Cross

Also known as

Iron Cross Reversed

Taxonomy

Oxalis tetraphylla var. tetraphylla
Oxalis
Oxalidaceae
Oxalidales

How to care for Iron Cross

💦 Water

How often to water your Iron Cross

Water needs for Iron Cross
0.5 cups
every 9

Iron Cross needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Iron Cross

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

Finding light for Iron Cross in your home

Light needs and placement for plant Iron Cross: 1ft from a window
1ft or less from
a window

Iron Cross love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Iron Cross does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Iron Cross in your home 🏡.

🪴 Nutrients

How to fertilize Iron Cross

Nutrient, fertilizer, and repotting needs for Iron Cross: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Iron Cross after it doubles in size or once a year—whichever comes first.

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💡 FAQs
💦 Water Needs

Iron Cross prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.


☀️ Sunlight Needs

Iron Cross requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.


🐶 🐈 👶 Toxicity

Iron Cross is extremely dangerous if consumed. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian immediately. Iron Cross is not recommended for homes with children, cats, or dogs.


💨 Humidity

Iron Cross doesn’t require additional humidity. Plants absorb most water through their root system rather than their leaves, so the best way to provide humidity for your plants is through watering the soil.


🪴 Soil

Iron Cross does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!


💩 Fertilizer

Iron Cross grows very slowly and doesn’t require added fertilizer. Replacing your plant’s potting soil once a year should provide them with more than enough nutrition. Remember, plants get their energy from sunlight, not fertilizer!


🌎 Native Region

Iron Cross is native to Worldwide.


🌦️ Growing Outdoors

USDA Hardiness Zone
Iron Cross can be grown outdoors in USDA Hardiness Zones 7a-10b. Find your local hardiness zone here.


🍂 Yellow Leaves

Yellow leaves aren’t always a reason to panic, and can be a normal part of a plant’s life cycle. Unless brand new leaves are turning yellow or all the leaves change color at once, it’s likely just your plant shedding old leaves.

Overwatering and root rot are the most likely cause of problems in Iron Cross, since they are sensitive to wet soil. The leaves may also appear to be curling or drooping. Less often, yellow leaves are caused by underwatering, nutrient deficiencies, or pests.

Replace soggy soil with fresh, dry soil and download Greg to make sure your plant never gets overwatered again!


🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.


Care Summary for Iron Cross

Iron Cross

Iron Cross


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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