Dahlias don't like damp storage, so it's important to keep them in a dry, well-ventilated area to prevent rot or mold. Storing them in a cool location with minimal humidity will help preserve their quality and ensure they are ready for planting in the next season. Don't forget about them during storage check on them periodically to make sure conditions remain ideal and to catch any early signs of issues.

How to Tell If Your Tuber Has Rotted in Storage?

Storing tubers correctly is essential to keep them fresh and ready for use, but even with the best care, rot can sometimes set in. So, how do you know if your tuber has gone bad? The first sign to look for is discolouration. Healthy tubers typically have a uniform, natural colour, while rotting ones might develop dark spots, patches, or look unusually dull. Next, check for softness or mushiness. A fresh tuber will feel firm to the touch, whereas a rotting tuber will be soft, spongy, or even slimy. Use your nose as well—an unpleasant or sour odour is a clear indicator of decay. Finally, examine the surface for signs of mould or fungal growth, which often appear as fuzzy or powdery patches in white, green, or black hues. If you spot any of these warning signs, it’s best to discard the tuber to avoid contaminating other stored produce. Proper storage in a cool, dry, and dark place can help minimise the chances of rot developing.

Besides storing them correctly, what else should people consider to ensure their dahlias thrive next season?

Leaving them in the ground is also an option. Keep an eye on the places you leave, check where the soil is getting the wettest. Consider mulching for added protection. Applying a layer of mulch around the area can help regulate soil moisture, prevent it from drying out too quickly, and protect the roots from extreme temperature fluctuations. Organic mulch, like bark or straw, can also slowly decompose, enriching the soil with nutrients over time and promoting healthier plants.

Where to buy your tubers in New Zealand?

Be cautious when dealing with large sellers, especially those who heavily promote pre-orders and over sell there tubers. The reality is, they can't truly know how many they have available until they've been thoroughly pulled and inspected. This practice can often lead to disappointment and is, quite frankly, unethical. Instead, consider supporting small businesses, local markets, or even sourcing and trading through friends and family. These options not only help your community thrive but also ensure a more personal, transparent, and trustworthy gardening experience.

What to Look for When Buying Dahlia Tubers Online in NZ?

When purchasing dahlia tubers online in New Zealand, it’s important to check their quality upon arrival to ensure healthy and vibrant blooms. First, inspect the tubers for firmness, they should feel plump and solid, not shrivelled or overly soft. Soft or mushy spots may indicate rot or disease, which can hinder growth. Look for a visible “eye” or growing point, as this is where the plant will sprout. If the eyes aren’t immediately noticeable, don’t worry; they may still appear once planting conditions are right. Ensure the tubers are free from mould, mildew, or unusual odours. Finally, confirm that the tubers match the variety and size described by the seller. If any issues arise, contact the seller promptly to resolve the matter. Proper care and inspection at this stage will set you up for a stunning dahlia display in your garden.