What Makes German Butterball a Good Potato to Grow
German Butterball is a yellow-fleshed potato variety generally known among home gardeners for its buttery texture and flavor, and it’s commonly grown both for fresh eating and for storage. Like most potato varieties, it’s generally grown from seed potatoes (small whole potatoes or pieces with eyes) rather than from true seed, and it’s typically treated the same way as other main-season potato varieties in terms of general care, with a few variety-specific notes covered below.
Preparing Your Soil Before Planting
Potatoes generally prefer loose, well-draining soil that’s on the slightly acidic side, with a pH often cited in the range of roughly 5.0 to 6.5, though exact ideal ranges vary somewhat by source and local soil conditions. Heavy, compacted, or poorly drained soil can make it harder for tubers to expand and can increase the risk of rot, so working in compost or other aged organic matter ahead of planting is a commonly recommended step.
A soil test is generally a useful step before planting, since it can tell you whether you actually need to adjust pH or add specific nutrients rather than guessing. If you’re preparing beds for both potatoes and other fall or spring crops, our guide to planting garlic in October covers a similar bed-prep approach for a different crop, which may be useful if you’re planning a broader garden rotation.
In general, avoid adding fresh (non-composted) manure directly before planting potatoes, since it’s often associated with an increased risk of certain tuber diseases and scab; aged or well-composted manure is the more commonly recommended alternative.
Can You Just Cut Up Potatoes and Plant Them?
In short, yes — this is a widely used and generally accepted way to plant potatoes, including German Butterball. Seed potatoes are commonly cut into pieces, with each piece ideally containing at least one or two healthy “eyes” (the small buds that sprout into new plants). After cutting, it’s generally recommended to let the cut pieces air-dry for roughly a day or two (sometimes described as “curing”) before planting, since this allows the cut surface to form a protective callus, which can reduce the risk of rot once the pieces are in the ground.
Smaller whole seed potatoes can also be planted uncut. Either approach is commonly used; cutting simply lets you get more plants out of fewer seed potatoes, though very small pieces with only one eye may produce a less vigorous plant than a larger piece or a whole small tuber.
It’s generally advised to use certified seed potatoes rather than grocery-store potatoes, since grocery potatoes may carry disease and are sometimes treated with a sprout inhibitor that can affect germination.
How to Plant German Butterball Seed Potatoes
- Cut larger seed potatoes into pieces with at least one or two eyes each, and let them cure for roughly a day or two if cut.
- Dig a trench or individual holes, commonly cited as roughly 4 to 6 inches deep, though depth guidance varies somewhat by source and soil type.
- Place pieces cut-side down, eyes facing up, spaced roughly 10 to 14 inches apart, with rows typically spaced around 2 to 3 feet apart to leave room for hilling later.
- Cover with a few inches of soil, rather than filling the trench completely at first, since more soil is typically added later as the plants grow (see hilling, below).
Do German Butterball Potatoes Need Hilling?
Hilling — mounding soil up around the base of the growing plant — is generally recommended for potatoes, including German Butterball, as a standard part of the growing process rather than a variety-specific requirement. The general purpose of hilling is to keep developing tubers covered with soil, since tubers exposed to sunlight can turn green and develop solanine, a compound that makes them bitter and potentially harmful to eat in quantity. Hilling can also help support the plant and may offer some protection against certain pests and weeds.
A commonly described approach is to hill gradually, adding a few inches of soil or mulch around the base of the plant once it reaches roughly 6 to 8 inches tall, and repeating this once or twice more as the plant continues to grow, until a mound of roughly 6 to 8 inches has built up around the stem. Exact heights and timing are generally treated as flexible rather than fixed, so adjusting based on how your plants are actually growing is reasonable.
Watering and General Care Through the Season
Potatoes generally benefit from consistent, moderate moisture, especially during the period when tubers are forming, since uneven watering (long dry spells followed by heavy watering) is sometimes associated with irregular tuber shape or hollow centers. Overly wet or waterlogged soil, on the other hand, increases the risk of rot and disease, so well-draining soil and avoiding standing water are generally more important than any specific watering schedule.
Weeding, especially early in the season before hilling is complete, generally helps reduce competition for nutrients and water.
Watching for Late Blight and Other Disease Pressure
Late blight (caused by the fungus Phytophthora infestans) is a disease that affects potatoes generally, including German Butterball, rather than being specific to this variety. It tends to favor cool, humid, wet weather, roughly in the 50–80°F range, and typically shows up first as gray-brown patches on lower leaves that can spread quickly, along with sunken brown patches on tubers in more advanced cases.
General management practices commonly recommended for reducing blight risk include ensuring good drainage and airflow around plants, favoring drip irrigation over overhead watering (or watering in the morning so foliage dries before nightfall), removing volunteer potato plants and related weeds, and starting with certified disease-free seed potatoes. If blight does appear, removing affected plants promptly is generally recommended to help limit spread, and this disease is generally considered to affect yield more than the storability of unaffected, properly cured tubers.
How Long Until German Butterball Potatoes Mature?
Maturity timing for German Butterball is commonly described as falling in the mid-to-late season range for potatoes generally, though specific day counts vary across sources and depend heavily on growing conditions, so it’s best treated as an approximate guide rather than a fixed number. As a general point of reference, many main-season potato varieties are commonly cited as taking roughly 80 to 110 days from planting to harvest, and German Butterball is generally grouped toward the mid-to-later end of that range rather than being an especially early variety.
A more reliable sign of maturity than counting days is watching the plant itself: once the foliage (vines) begins to yellow and die back on its own, this is generally taken as a sign that the tubers underneath have reached a mature, storable stage.
Harvesting and Storing Your Crop
Once vines have died back, tubers are generally left in the ground for a short additional period (often cited as roughly one to two weeks) to allow the skins to toughen, which can improve storage life. Harvesting on a dry day and handling tubers gently to avoid bruising or skin damage is generally recommended, since damaged tubers tend to store poorly.
After harvest, potatoes are commonly cured in a cool, dark, well-ventilated spot for a short period before being moved to longer-term storage, which is generally recommended to be cool, dark, and humid enough to prevent excessive shriveling, but not so damp that rot becomes a concern.
FAQ
Do German Butterball potatoes need hilling? Yes, in the same general way most potato varieties benefit from hilling. It helps keep developing tubers covered with soil, which prevents greening and can offer some structural support to the plant.
Can I just cut up potatoes and plant them? Yes, this is a common and widely accepted method. Cut pieces should generally include at least one or two eyes and are typically left to cure for about a day or two before planting to reduce the risk of rot.
How long does it take for German Butterball potatoes to mature? It’s generally described as a mid-to-late season variety, with many main-season potatoes commonly cited in the roughly 80- to 110-day range from planting to harvest. Watching for vines to die back naturally is generally a more reliable sign of maturity than counting days alone.
What should I add to my soil before planting potatoes? Working in compost or other aged organic matter is commonly recommended, along with testing soil pH, since potatoes generally prefer loose, well-draining, slightly acidic soil. Fresh, uncomposted manure is generally best avoided right before planting.