Oxalis Deppei Iron Cross Bulbs - 100 Pack

Oxalis deppei Iron Cross, also known as Four-Leaf Sorrel or Lucky Clover, is a fully hardy perenni...

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The Carbeth Plants Oxalis deppei Iron Cross, frequently called Four-Leaf Sorrel or Lucky Clover, is an ideal choice for gardeners looking for low-maintenance, reliable perennials that provide vibrant foliage and delicate blooms. These plants are perfect for both novice and experienced gardeners who want to add interest to patio pots, rock gardens, or borders, with the primary benefit of naturalizing over time to create a fuller display each year. The main caveat is that while they are fully hardy, they require well-draining soil to prevent bulb rot during dormant winter periods.

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Model Part NumberOXALISIRNCROS-100
BrandCarbeth Plants

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FAQs

Are these bulbs deer resistant?

Generally, Oxalis are not a preferred food source for deer, making them a safe choice for many garden settings.

Can I grow these in hanging baskets?

Yes, their compact size and trailing habit make them an excellent choice for hanging baskets.

How long do they stay in bloom?

They typically bloom consistently from mid-spring through the end of the summer season.

Do I need to lift the bulbs in winter?

No, they are fully hardy and can be left in the ground in most UK garden conditions provided the soil drains well.

Can I propagate these bulbs?

Yes, as they naturalize, they produce offsets that can be lifted and divided after several years of growth.

Troubleshooting

Poor or stunted growth

Check soil drainage; if the soil is heavy clay, the bulbs may be struggling with moisture retention.

Yellowing foliage mid-season

This may indicate overwatering or lack of sunlight; adjust your watering schedule and ensure they receive at least partial sun.

Bulbs failing to emerge

Ensure they were planted at the correct depth (5-10cm) and that the soil has sufficiently warmed up in spring.

Pros and Cons

Pros

  • Striking leaf pattern with high aesthetic appeal
  • Easy to plant and maintain for all skill levels
  • Reliable perennial that blooms year after year
  • Excellent for naturalizing in woodland or rock gardens
  • Pairs perfectly with spring bulbs like daffodils and crocus

Cons

  • Requires well-draining soil to avoid waterlogged roots
  • Limited flowering season from spring to summer
  • Not intended for consumption despite the 'sorrel' common name

Setup, Compatibility & Care

To ensure success with your 100-pack of Iron Cross bulbs, plant them in early spring once the risk of severe frost has passed. Choose a location with partial shade to full sun, ensuring the soil is light and free-draining. Space bulbs roughly 5cm apart and 5-10cm deep. For container gardening, use a high-quality, peat-free compost mixed with grit to encourage drainage. During the growing season, keep the soil consistently moist but never soggy. Once the foliage begins to yellow in late summer, reduce watering to allow the bulbs to enter their natural dormant phase. During winter, ensure the planting site remains well-drained, as excessive moisture is the primary cause of bulb failure in this species.