As the fall season approach shot , gardeners must be mindful of certain recurrent combination that could potentially make for havoc in their garden .

These union , while beautiful and beguiling , may cause unexpected issues when planted together .

In this blog postal service , we will research 15 such perennial pairings that you might want to reconsider when plan your tumble garden .

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1. Lavender and Mint

Lavender and mint may seem like a cracking combining due to their aromatic prop , but they can in reality be a troublesome conjugation .

Lavender favor teetotal , well - drained soil , while mint flourish in moist , fat grime . Planting them together can lead to lachrymation issues and stunted emergence for one or both plant .

2. Roses and Crocosmia

Roses and crocosmia may look strike together , but they compete for sun and nutrients .

rose wine typically necessitate more caution and feeding than crocosmia , which can lead to an imbalance in increment and wellness if implant in airless law of proximity .

3. Hostas and Daylilies

Hostas and daylily often compete for infinite and resources . Hostas ’ large leaves can eclipse the daylilies , depriving them of sunlight necessary for blossom .

This sexual union can lead to reduce flowering of the day lily .

4. Ferns and Bluebells

fern and bluebells both thrive in suspect , woodland environments , but they can finish up competing for the same nutrients in the soil .

The dim foliage of ferns can also overshadow bluebells , affecting their maturation and prime .

5. Tulips and Daffodils

While both tulip and daffodils bloom in spring , they have different nutrient pauperization and emergence rhythm .

tulip often call for more food , which can be depleted if plant too closely with daffodils , go to less vigorous blooms .

6. Hydrangeas and Black-Eyed Susans

Hydrangeas and black - eyed Susans might compete for space and sunlight .

The large blooms of hydrangeas can overshadow the smaller , but vibrant black - eyed Susans , potentially stunt their growth and blossom cycle .

7. Peonies and Irises

peony and iris both require significant infinite to grow , and planting them together can lead to overcrowding .

This can leave in reduced blooming voltage for both , as they vie for sun and nutrients .

8. Lilies and Sunflowers

lily and sunflowers have different height expectations , with sunflowers potentially overshadowing lilies .

This can conduct to lilies struggling to receive enough sun , affecting their maturation and bloom .

9. Astilbe and Phlox

Astilbe and phlox both produce stunning peak displays , but they have differing water needs .

Astilbe prefers a moist surround , while phlox fly high in well - drained territory , creating potential conflict if plant together .

10. Coneflowers and Forget-Me-Nots

Coneflowers and block - me - nots can compete for nutrients and space , with the more prevailing coneflowers potentially shadow the smaller draw a blank - me - nots , affecting their growth and presence .

11. Begonias and Cacti

Begonias and cacti have entirely different water and light requirements , with begonias needing shade and wet , while cacti prefer full Sunday and ironic soil .

engraft them together can lead to stress and poor growth for one or both plants .

12. Poppies and Marigolds

poppy and marigolds may calculate vibrant together , but they have different growing needs that can lead to challenger for resources , such as nutrient and sunlight , affecting their emergence potential .

13. Sedum and Asters

Sedum and asters can compete for infinite and Light Within , as asters may overshadow the low - growing sedum .

This can result in suboptimal maturate condition for sedum , affecting its spread and growth .

14. Foxglove and Columbine

Foxglove and aquilegia both add good luck charm to a garden , but foxglove ’s tall spires can dwarf columbine ’s delicate blooms , leading to sunlight contention and affecting aquilegia ’s growth .

15. Bleeding Hearts and Alliums

Bleeding hearts and Allium both pop the question unequalled blooms but want different dirt weather condition , with bleeding hearts preferring moist conditions and alliums thriving in well - drained dirt .

This can lead to conflicts in growth and planting necessary .

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