Iron Cross Care 101: Water, Light & Growing Tips (2024)

Plant Care Iron Cross

3.0 out of 5 (3 experiences)

Iron Cross Care 101: Water, Light & Growing Tips (42) Fast grower

Iron Cross Care 101: Water, Light & Growing Tips (43) Blooms easily

About Iron Cross

Iron Cross is a popular houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Plant parents describe this plant as a fast grower and easy to bloom with a whopping 239 being grown with Greg around the world. Check out the reviews below for more details!🌟

Iron Cross likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Taxonomy Iron Cross Care 101: Water, Light & Growing Tips (44)

Oxalis tetraphylla

Oxalis

Oxalidaceae

Oxalidales
Iron Cross Care 101: Water, Light & Growing Tips (45)

How to care for Iron Cross

💦 Water

How often to water your Iron Cross

Iron Cross Care 101: Water, Light & Growing Tips (49)

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.

Iron Cross Care 101: Water, Light & Growing Tips (50)

Water 0.5 cups every
9

☀️ Light

Finding light for Iron Cross in your home

Iron Cross Care 101: Water, Light & Growing Tips (52)

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

Iron Cross Care 101: Water, Light & Growing Tips (53)

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.

  • Iron Cross Care 101: Water, Light & Growing Tips (54)

    My Iron Cross Shamrock “Patrick” flowered! I didn’t even know they would do that!🤷‍♀️🌱😳 #HappyPlants #PlantsMakePeopleHappy #IronCross #Shamrock #Flowering #NewGrowth #lovemyplants #gardenofaden

  • Iron Cross Care 101: Water, Light & Growing Tips (55)

    Tips pls!! He is so sad :(

  • I grew this from 2 bulbs but only one of them has come up. Should i give up hope on the other one or do you think it will come up as well? #PurpleShamrocks

  • Iron Cross Care 101: Water, Light & Growing Tips (56)

    I thought I’d post something not as traumatic today. We went to do some laundry in this tiny town and came across some beautiful Umbrellas in the laundromat. Also, as a bonus, we met Mama and Baby Elk strolling through the town…completely unconcerned about our proximity. And I forgot to post my Iron Cross plant that has also endured our trip. #HappyPlants #PlantsMakePeopleHappy #PlantAddict #IronCross #UmbrellaTree #MontanaPlants #GregGang #Greggers #TexasGregGang #NorthTexasGregGang #travelingPlants #gardenofaden

  • Prince has been having a rough time growing. It seems to grow for a few days then drie out. It's a continuous cycle. Is this normal cause it doesn't feel normal?

  • Iron cross drooping Yesterday I saw the first bloom on my iron cross, this morning almost all its stems are drooping. Please help, what am I doing wrong? I've had it for about a week and love it.

  • What's wrong with my oxalis? I just got this plant and she's not doing too hot. She's close to a window and I've made sure the soil isn't too dry. I'm not sure what's happening, so any advice would be great! #help #tips #oxalis

  • Are my leafs to crunchy My leafs are breaking at any touch I don’t know what to do #

  • Iron Cross Care 101: Water, Light & Growing Tips (57)

    Ahh, such pretty little white flowers. 🤍😌💚 #shamrock #happyplants #plantsmakepeoplehappy #plantaddict #greggang #greggers

  • Hi there! I have an iron cross shamrock that is drooping pretty low and some of the leaves browned a little bit ago. It's been OK since then but still droopy. Some things make it seem like this is normal but before they were standing up. They still "open" during the day and I keep it right by the window. Anything I can do for it? Most of my plants are thriving but this one is very different so can't seem to figure out a solution.

Browse #IronCross

💡 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.

Iron Cross Water Frequency →

Iron Cross Root Rot →

☀️ 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 🏡.

Iron Cross Light Requirements →

🐶 🐈 👶 Toxicity

Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.

If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA atUS (888) 426-4435.

💨 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.

Iron Cross Humidity Needs →

🪴 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!

Best Soil Mix for Iron Cross →

When and How to Successfully Repot Iron Cross →

💩 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.

Iron Cross Temperature Tolerance →

🧐 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.

  • Common Bugs Affecting Iron Cross →
  • Drooping Iron Cross Leaves →
  • Iron Cross Dropping Leaves →
  • Iron Cross Mushy Leaves →
  • Black Spots on Iron Cross →
  • Brown Spots on Iron Cross →
  • Iron Cross Leaves Falling Over →
  • Iron Cross Leaves Curling →
  • Iron Cross Yellow Leaves →
  • Iron Cross Root Rot →

Care Summary for Iron Cross

Iron Cross Care 101: Water, Light & Growing Tips (58)

Iron Cross

Iron Cross Care 101: Water, Light & Growing Tips (59) Greg recommends:

Iron Cross Care 101: Water, Light & Growing Tips (60) Water

0.5 cups every 9 days

Iron Cross Care 101: Water, Light & Growing Tips (61) Placement

< 1ft from a window

Iron Cross Care 101: Water, Light & Growing Tips (62) Nutrients

Repot after 2x growth

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

Iron Cross Care 101: Water, Light & Growing Tips (63)

What other plant parents say

Iron Cross Care 101: Water, Light & Growing Tips (64) Fast grower 1

Iron Cross Care 101: Water, Light & Growing Tips (65) Blooms easily 1

Iron Cross Care 101: Water, Light & Growing Tips (66) Browns easily 1

Iron Cross Care 101: Water, Light & Growing Tips (67)
@Kelly

Iron Cross Care 101: Water, Light & Growing Tips (68) 6 Plants

Iron Cross Care 101: Water, Light & Growing Tips (69) 150 XP

Iron Cross Care 101: Water, Light & Growing Tips (70) Iron Cross Care 101: Water, Light & Growing Tips (71) Iron Cross Care 101: Water, Light & Growing Tips (72) Iron Cross Care 101: Water, Light & Growing Tips (73) Iron Cross Care 101: Water, Light & Growing Tips (74) 10/22/2021

Love it

Iron Cross Care 101: Water, Light & Growing Tips (76)

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Iron Cross Care 101: Water, Light & Growing Tips (2024)

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